Coronavirus disease 2019 (COVID-19)

1. Coronaviridae Study Group of the International Committee on Taxonomy of Viruses. The species severe acute respiratory syndrome-related coronavirus: classifying 2019-nCoV and naming it SARS-CoV-2. Nat Microbiol. 2020 Apr;5(4):536-44.Full text external link opens in a new window Abstract external link opens in a new window

2. World Health Organization. COVID-19 clinical management: living guidance. 2021 [internet publication].Full text external link opens in a new window

3. National Institutes of Health. Coronavirus disease 2019 (COVID-19) treatment guidelines. 2021 [internet publication].Full text external link opens in a new window

4. Novel Coronavirus Pneumonia Emergency Response Epidemiology Team. The epidemiological characteristics of an outbreak of 2019 novel coronavirus diseases (COVID-19) in China [in Chinese]. Zhonghua Liu Xing Bing Xue Za Zhi. 2020 Feb 17;41(2):145-51.Full text external link opens in a new window Abstract external link opens in a new window

5. Colaneri M, Sacchi P, Zuccaro V, et al. Clinical characteristics of coronavirus disease (COVID-19) early findings from a teaching hospital in Pavia, North Italy, 21 to 28 February 2020. Euro Surveill. 2020 Apr;25(16).Full text external link opens in a new window Abstract external link opens in a new window

6. Docherty AB, Harrison EM, Green CA, et al. Features of 20 133 UK patients in hospital with covid-19 using the ISARIC WHO clinical characterisation protocol: prospective observational cohort study. BMJ. 2020 May 22;369:m1985.Full text external link opens in a new window Abstract external link opens in a new window

7. CDC COVID-19 Response Team. Severe outcomes among patients with coronavirus disease 2019 (COVID-19): United States, February 12 - March 16, 2020. MMWR Morb Mortal Wkly Rep. 2020 Mar 27;69(12):343-6.Full text external link opens in a new window Abstract external link opens in a new window

8. Leidman E, Duca LM, Omura JD, et al. COVID-19 trends among persons aged 0-24 years: United States, March 1-December 12, 2020. MMWR Morb Mortal Wkly Rep. 2021 Jan 22;70(3):88-94.Full text external link opens in a new window Abstract external link opens in a new window

9. Viner RM, Mytton OT, Bonell C, et al. Susceptibility to SARS-CoV-2 infection among children and adolescents compared with adults: a systematic review and meta-analysis. JAMA Pediatr. 2021 Feb 1;175(2):143-56.Full text external link opens in a new window Abstract external link opens in a new window

10. Li B, Zhang S, Zhang R, et al. Epidemiological and clinical characteristics of COVID-19 in children: a systematic review and meta-analysis. Front Pediatr. 2020 Nov 2;8:591132.Full text external link opens in a new window Abstract external link opens in a new window

11. Dong Y, Mo X, Hu Y, et al. Epidemiology of COVID-19 among children in China. Pediatrics. Pediatrics. 2020 Jun;145(6):e20200702.Full text external link opens in a new window Abstract external link opens in a new window

12. Garazzino S, Montagnani C, Donà D, et al. Multicentre Italian study of SARS-CoV-2 infection in children and adolescents, preliminary data as at 10 April 2020. Euro Surveill. 2020 May;25(18).Full text external link opens in a new window Abstract external link opens in a new window

13. Brambilla I, Castagnoli R, Caimmi S, et al. COVID-19 in the pediatric population admitted to a tertiary referral hospital in Northern Italy: preliminary clinical data. Pediatr Infect Dis J. 2020 Jul;39(7):e160.Full text external link opens in a new window Abstract external link opens in a new window

14. Livingston E, Bucher K. Coronavirus disease 2019 (COVID-19) in Italy. JAMA. 2020 Apr 14;323(14):1335.Full text external link opens in a new window Abstract external link opens in a new window

15. Tagarro A, Epalza C, Santos M, et al. Screening and severity of coronavirus disease 2019 (COVID-19) in children in Madrid, Spain. JAMA Pediatr. 2020 Apr 8 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

16. American Academy of Pediatrics. Children and COVID-19: state-level data report. 2021 [internet publication].Full text external link opens in a new window

17. Swann OV, Holden KA, Turtle L, et al. Clinical characteristics of children and young people admitted to hospital with covid-19 in United Kingdom: prospective multicentre observational cohort study. BMJ. 2020 Aug 27;370:m3249.Full text external link opens in a new window Abstract external link opens in a new window

18. Bailey LC, Razzaghi H, Burrows EK, et al. Assessment of 135,794 pediatric patients tested for severe acute respiratory syndrome coronavirus 2 across the United States. JAMA Pediatr. 2021 Feb 1;175(2):176-84.Full text external link opens in a new window Abstract external link opens in a new window

19. Kitano T, Kitano M, Krueger C, et al. The differential impact of pediatric COVID-19 between high-income countries and low- and middle-income countries: a systematic review of fatality and ICU admission in children worldwide. PLoS One. 2021 Jan 29;16(1):e0246326.Full text external link opens in a new window Abstract external link opens in a new window

20. Zhu Y, Bloxham CJ, Hulme KD, et al. A meta-analysis on the role of children in SARS-CoV-2 in household transmission clusters. Clin Infect Dis. 2020 Dec 6 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

21. Castagnoli R, Votto M, Licari A, et al. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in children and adolescents: a systematic review. JAMA Pediatr. 2020 Sep 1;174(9):882-9.Full text external link opens in a new window Abstract external link opens in a new window

22. Khalil A, Kalafat E, Benlioglu C, et al. SARS-CoV-2 infection in pregnancy: a systematic review and meta-analysis of clinical features and pregnancy outcomes. EClinicalMedicine. 2020 Aug;25:100446.Full text external link opens in a new window Abstract external link opens in a new window

23. Knight M, Bunch K, Vousden N, et al. Characteristics and outcomes of pregnant women admitted to hospital with confirmed SARS-CoV-2 infection in UK: national population based cohort study. BMJ. 2020 Jun 8;369:m2107.Full text external link opens in a new window Abstract external link opens in a new window

24. Centers for Disease Control and Prevention. Data on COVID-19 during pregnancy. 2021 [internet publication].Full text external link opens in a new window

25. Zambrano LD, Ellington S, Strid P, et al. Update: characteristics of symptomatic women of reproductive age with laboratory-confirmed SARS-CoV-2 infection by pregnancy status: United States, January 22–October 3, 2020. MMWR Morb Mortal Wkly Rep. 2020 Nov 6;69(44):1641-7.Full text external link opens in a new window Abstract external link opens in a new window

26. Chou R, Dana T, Buckley DI, et al. Epidemiology of and risk factors for coronavirus infection in health care workers: a living rapid review. Ann Intern Med. 2020 Jul 21;173(2):120-36.Full text external link opens in a new window Abstract external link opens in a new window

27. Chou R, Dana T, Buckley DI, et al. Update alert 7: epidemiology of and risk factors for coronavirus infection in health care workers. Ann Intern Med. 2021 Feb 9 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

28. Galanis P, Vraka I, Fragkou D, et al. Seroprevalence of SARS-CoV-2 antibodies and associated factors in health care workers: a systematic review and meta-analysis. J Hosp Infect. 2020 Nov 16;108:120-34.Full text external link opens in a new window Abstract external link opens in a new window

29. World Health Organization. Prevention, identification and management of health worker infection in the context of COVID-19. 2020 [internet publication].Full text external link opens in a new window

30. CDC COVID-19 Response Team. Characteristics of health care personnel with COVID-19: United States, February 12 –April 9, 2020. MMWR Morb Mortal Wkly Rep. 2020 Apr 17;69(15):477-81.Full text external link opens in a new window Abstract external link opens in a new window

31. Gómez-Ochoa SA, Franco OH, Rojas LZ, et al. COVID-19 in healthcare workers: a living systematic review and meta-analysis of prevalence, risk factors, clinical characteristics, and outcomes. Am J Epidemiol. 2021 Jan 4;190(1):161-75.Full text external link opens in a new window Abstract external link opens in a new window

32. Sahu AK, Amrithanand VT, Mathew R, et al. COVID-19 in health care workers: a systematic review and meta-analysis. Am J Emerg Med. 2020 Jun 6;38(9):1727-31.Full text external link opens in a new window Abstract external link opens in a new window

33. Shah ASV, Wood R, Gribben C, et al. Risk of hospital admission with coronavirus disease 2019 in healthcare workers and their households: nationwide linkage cohort study. BMJ. 2020 Oct 28;371:m3582.Full text external link opens in a new window Abstract external link opens in a new window

34. Kambhampati AK, O'Halloran AC, Whitaker M, et al. COVID-19-associated hospitalizations among health care personnel: COVID-NET, 13 states, March 1–May 31, 2020. MMWR Morb Mortal Wkly Rep. 2020 Oct 30;69(43):1576-83.Full text external link opens in a new window Abstract external link opens in a new window

35. Ren LL, Wang YM, Wu ZQ, et al. Identification of a novel coronavirus causing severe pneumonia in human: a descriptive study. Chin Med J (Engl). 2020 May 5;133(9):1015-24.Full text external link opens in a new window Abstract external link opens in a new window

36. Zhu N, Zhang D, Wang W, et al. A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med. 2020 Feb 20;382(8):727-33.Full text external link opens in a new window Abstract external link opens in a new window

37. Lu R, Zhao X, Li J, et al. Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding. Lancet. 2020 Feb 22;395(10224):565-74.Full text external link opens in a new window Abstract external link opens in a new window

38. Public Health England. Investigation of novel SARS-CoV-2 variant: variant of concern 202012/0. 2021 [internet publication].Full text external link opens in a new window

39. Scientific Advisory Group for Emergencies. NERVTAG: update note on B.1.1.7 severity, 11 February 2021. 2021 [internet publication].Full text external link opens in a new window

40. GISAID. UK reports new variant, termed VUI 202012/01. 2021 [internet publication].Full text external link opens in a new window

41. Kissler S, Fauver JR, Mack C, et al. Densely sampled viral trajectories suggest longer duration of acute infection with B.1.1.7 variant relative to non-B.1.1.7 SARS-CoV-2. 2021 [internet publication].Full text external link opens in a new window

42. Centers for Disease Control and Prevention. Emerging SARS-CoV-2 variants. 2021 [internet publication].Full text external link opens in a new window

43. World Health Organization. SARS-CoV-2 mink-associated variant strain: Denmark. 2020 [internet publication].Full text external link opens in a new window

44. Statens Serum Institut. Mutations in the mink virus. 2020 [internet publication].Full text external link opens in a new window

45. van Dorp L, Richard D, Tan CCS, et al. No evidence for increased transmissibility from recurrent mutations in SARS-CoV-2. Nat Commun. 2020 Nov 25;11(1):5986.Full text external link opens in a new window Abstract external link opens in a new window

46. Huang C, Wang Y, Li X, et al. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. Lancet. 2020 Feb 15;395(10223):497-506.Full text external link opens in a new window Abstract external link opens in a new window

47. Chen N, Zhou M, Dong X, et al. Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study. Lancet. 2020 Feb 15;395(10223):507-13.Full text external link opens in a new window Abstract external link opens in a new window

48. Li Q, Guan X, Wu P, et al. Early transmission dynamics in Wuhan, China, of novel coronavirus-infected pneumonia. N Engl J Med. 2020 Mar 26;382(13):1199-207.Full text external link opens in a new window Abstract external link opens in a new window

49. Paraskevis D, Kostaki EG, Magiorkinis G, et al. Full-genome evolutionary analysis of the novel corona virus (2019-nCoV) rejects the hypothesis of emergence as a result of a recent recombination event. Infect Genet Evol. 2020 Jan 29;79:104212.Abstract external link opens in a new window

50. Ji W, Wang W, Zhao X, et al. Cross-species transmission of the newly identified coronavirus 2019-nCoV. J Med Virol. 2020 Apr;92(4):433-40.Full text external link opens in a new window Abstract external link opens in a new window

51. Zhang T, Wu Q, Zhang Z. Probable pangolin origin of SARS-CoV-2 associated with the COVID-19 outbreak. Curr Biol. 2020 Apr 6;30(7):1346-51.Full text external link opens in a new window Abstract external link opens in a new window

52. Lam TT, Shum MH, Zhu HC, et al. Identifying SARS-CoV-2 related coronaviruses in Malayan pangolins. Nature. 2020 Jul;583(7815):282-5.Full text external link opens in a new window Abstract external link opens in a new window

53. Mallapaty S. Animal source of the coronavirus continues to elude scientists. Nature. 2020 May 18 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

54. Oreshkova N, Molenaar RJ, Vreman S, et al. SARS-CoV-2 infection in farmed minks, the Netherlands, April and May 2020. Euro Surveill. 2020 Jun;25(23):32553059.Full text external link opens in a new window Abstract external link opens in a new window

55. World Health Organization. WHO-convened global study of the origins of SARS-CoV-2. 2020 [internet publication].Full text external link opens in a new window

56. Meyerowitz EA, Richterman A, Gandhi RT, et al. Transmission of SARS-CoV-2: a review of viral, host, and environmental factors. Ann Intern Med. 2021 Jan;174(1):69-79.Full text external link opens in a new window Abstract external link opens in a new window

57. World Health Organization. Transmission of SARS-CoV-2: implications for infection prevention precautions – scientific brief. 2020 [internet publication].Full text external link opens in a new window

58. Centers for Disease Control and Prevention. How COVID-19 spreads. 2020 [internet publication].Full text external link opens in a new window

59. Birgand G, Peiffer-Smadja N, Fournier S, et al. Assessment of air contamination by SARS-CoV-2 in hospital settings. JAMA Netw Open. 2020 Dec 1;3(12):e2033232.Full text external link opens in a new window Abstract external link opens in a new window

60. van Doremalen N, Bushmaker T, Morris DH, et al. Aerosol and surface stability of SARS-CoV-2 as compared with SARS-CoV-1. N Engl J Med. 2020 Apr 16;382(16):1564-7.Full text external link opens in a new window Abstract external link opens in a new window

61. Guo ZD, Wang ZY, Zhang SF, et al. Aerosol and surface distribution of severe acute respiratory syndrome coronavirus 2 in hospital wards, Wuhan, China, 2020. Emerg Infect Dis. 2020 Apr 10;26(7).Full text external link opens in a new window Abstract external link opens in a new window

62. Zhou J, Otter JA, Price JR, et al. Investigating SARS-CoV-2 surface and air contamination in an acute healthcare setting during the peak of the COVID-19 pandemic in London. Clin Infect Dis. 2020 Jul 8 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

63. Colaneri M, Seminari E, Novati S, et al. Severe acute respiratory syndrome coronavirus 2 RNA contamination of inanimate surfaces and virus viability in a health care emergency unit. Clin Microbiol Infect. 2020 Aug;26(8):1094.e1-5.Full text external link opens in a new window Abstract external link opens in a new window

64. Colaneri M, Seminari E, Piralla A, et al. Lack of SARS-CoV-2 RNA environmental contamination in a tertiary referral hospital for infectious diseases in Northern Italy. J Hosp Infect. 2020 Mar 19;105(3):474-6.Full text external link opens in a new window Abstract external link opens in a new window

65. van Doorn AS, Meijer B, Frampton CMA, et al. Systematic review with meta-analysis: SARS-CoV-2 stool testing and the potential for faecal-oral transmission. Aliment Pharmacol Ther. 2020 Oct;52(8):1276-88.Full text external link opens in a new window Abstract external link opens in a new window

66. Zhang W, Du RH, Li B, et al. Molecular and serological investigation of 2019-nCoV infected patients: implication of multiple shedding routes. Emerg Microbes Infect. 2020 Dec;9(1):386-9.Full text external link opens in a new window Abstract external link opens in a new window

67. To KK, Tsang OT, Yip CC, et al. Consistent detection of 2019 novel coronavirus in saliva. Clin Infect Dis. 2020 Jul 28;71(15):841-3.Full text external link opens in a new window Abstract external link opens in a new window

68. Centre for Evidence-Based Medicine; Ferner RE, Murray PI, Aronson JK. Spreading SARS-CoV-2 through ocular fluids. 2020 [internet publication].Full text external link opens in a new window

69. Lewis A, Frontera J, Placantonakis DG, et al. Cerebrospinal fluid in COVID-19: a systematic review of the literature. J Neurol Sci. 2021 Jan 10;421:117316.Full text external link opens in a new window Abstract external link opens in a new window

70. Seah IYJ, Anderson DE, Kang AEZ, et al. Assessing viral shedding and infectivity of tears in coronavirus disease 2019 (COVID-19) patients. Ophthalmology. 2020 Jul;127(7):977-9.Full text external link opens in a new window Abstract external link opens in a new window

71. Farina A, Uccello G, Spreafico M, et al. SARS-CoV-2 detection in the pericardial fluid of a patient with cardiac tamponade. Eur J Intern Med. 2020 Jun;76:100-1.Full text external link opens in a new window Abstract external link opens in a new window

72. Algarroba GN, Rekawek P, Vahanian SA, et al. Visualization of severe acute respiratory syndrome coronavirus 2 invading the human placenta using electron microscopy. Am J Obstet Gynecol. 2020 Aug;223(2):275-8.Full text external link opens in a new window Abstract external link opens in a new window

73. Mei F, Bonifazi M, Menzo S, et al. First detection of SARS-CoV-2 by real-time reverse-transcriptase-polymerase-chain-reaction (RT-PCR) assay in pleural fluid. Chest. 2020 Oct;158(4):e143-6.Full text external link opens in a new window Abstract external link opens in a new window

74. Kashi AH, De la Rosette J, Amini E, et al. Urinary viral shedding of COVID-19 and its clinical associations: a systematic review and meta-analysis of observational studies. Urol J. 2020 Sep 5;17(5):433-41.Full text external link opens in a new window Abstract external link opens in a new window

75. Frazier KM, Hooper JE, Mostafa HH, et al. SARS-CoV-2 virus isolated from the mastoid and middle ear: implications for COVID-19 precautions during ear surgery. JAMA Otolaryngol Head Neck Surg. 2020 Jul 23;146(10):964-6.Full text external link opens in a new window Abstract external link opens in a new window

76. Yan Y, Diao B, Liu Y, et al. Severe acute respiratory syndrome coronavirus 2 nucleocapsid protein in the ocular tissues of a patient previously infected with coronavirus disease 2019. JAMA Ophthalmol. 2020 Oct 8;138(11):1-4.Full text external link opens in a new window Abstract external link opens in a new window

77. Gonzalez DC, Khodamoradi K, Pai R, et al. A systematic review on the investigation of SARS-CoV-2 in semen. Res Rep Urol. 2020 Dec 1;12:615-21.Full text external link opens in a new window Abstract external link opens in a new window

78. Casagrande M, Fitzek A, Spitzer MS, et al. Presence of SARS-CoV-2 RNA in the cornea of viremic patients with COVID-19. JAMA Ophthalmol. 2021 Jan 21 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

79. Tur-Kaspa I, Tur-Kaspa T, Hildebrand G, et al. COVID-19 may affect male fertility but is not sexually transmitted: a systematic review. F S Rev. 2021 Feb 3 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

80. World Health Organization. Definition and categorization of the timing of mother-to-child transmission of SARS-CoV-2: scientific brief. 2021 [internet publication].Full text external link opens in a new window

81. Bwire GM, Njiro BJ, Mwakawanga DL, et al. Possible vertical transmission and antibodies against SARS-CoV-2 among infants born to mothers with COVID-19: a living systematic review. J Med Virol. 2020 Oct 22 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

82. Walker KF, O'Donoghue K, Grace N, et al. Maternal transmission of SARS-COV-2 to the neonate, and possible routes for such transmission: a systematic review and critical analysis. BJOG. 2020 Oct;127(11):1324-36.Full text external link opens in a new window Abstract external link opens in a new window

83. Zhu F, Zozaya C, Zhou Q, et al. SARS-CoV-2 genome and antibodies in breastmilk: a systematic review and meta-analysis. Arch Dis Child Fetal Neonatal Ed. 2021 Feb 10 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

84. Salvatore CM, Han JY, Acker KP, et al. Neonatal management and outcomes during the COVID-19 pandemic: an observation cohort study. Lancet Child Adolesc Health. 2020 Oct;4(10):721-7.Full text external link opens in a new window Abstract external link opens in a new window

85. Zhou Q, Gao Y, Wang X, et al. Nosocomial infections among patients with COVID-19, SARS and MERS: a rapid review and meta-analysis. Ann Transl Med. 2020 May;8(10):629.Full text external link opens in a new window Abstract external link opens in a new window

86. Centre for Evidence-Based Medicine; Heneghan C, Howdon D, Oke J, et al. The ongoing problem of UK hospital acquired infections. 2020 [internet publication].Full text external link opens in a new window

87. Rhee C, Baker M, Vaidya V, et al. Incidence of nosocomial COVID-19 in patients hospitalized at a large US academic medical center. JAMA Netw Open. 2020 Sep 1;3(9):e2020498.Full text external link opens in a new window Abstract external link opens in a new window

88. World Health Organization. Mask use in the context of COVID-19: interim guidance. 2020 [internet publication].Full text external link opens in a new window

89. Tong ZD, Tang A, Li KF, et al. Potential presymptomatic transmission of SARS-CoV-2, Zhejiang province, China, 2020. Emerg Infect Dis. 2020 May 17;26(5).Full text external link opens in a new window Abstract external link opens in a new window

90. Wei WE, Li Z, Chiew CJ, et al. Presymptomatic transmission of SARS-CoV-2: Singapore, January 23 - March 16, 2020. MMWR Morb Mortal Wkly Rep. 2020 Apr 10;69(14):411-5.Full text external link opens in a new window Abstract external link opens in a new window

91. Rothe C, Schunk M, Sothmann P, et al. Transmission of 2019-nCoV infection from an asymptomatic contact in Germany. N Engl J Med. 2020 Mar 5;382(10):970-71.Full text external link opens in a new window Abstract external link opens in a new window

92. Hu Z, Song C, Xu C, et al. Clinical characteristics of 24 asymptomatic infections with COVID-19 screened among close contacts in Nanjing, China. Sci China Life Sci. 2020 May;63(5):706-11.Full text external link opens in a new window Abstract external link opens in a new window

93. Luo SH, Liu W, Liu ZJ, et al. A confirmed asymptomatic carrier of 2019 novel coronavirus (SARS-CoV-2). Chin Med J (Engl). 2020 May 5;133(9):1123-5.Full text external link opens in a new window Abstract external link opens in a new window

94. Lu S, Lin J, Zhang Z, et al. Alert for non-respiratory symptoms of Coronavirus Disease 2019 (COVID-19) patients in epidemic period: a case report of familial cluster with three asymptomatic COVID-19 patients. J Med Virol. 2020 Mar 19 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

95. Li C, Ji F, Wang L, et al. Asymptomatic and human-to-human transmission of SARS-CoV-2 in a 2-family cluster, Xuzhou, China. Emerg Infect Dis. 2020 Mar 31;26(7).Full text external link opens in a new window Abstract external link opens in a new window

96. Liu J, Huang J, Xiang D. Large SARS-CoV-2 outbreak caused by asymptomatic traveler, China. Emerg Infect Dis. 2020 Jun 30;29(9).Full text external link opens in a new window Abstract external link opens in a new window

97. Jiang XL, Zhang XL, Zhao XN, et al. Transmission potential of asymptomatic and paucisymptomatic severe acute respiratory syndrome coronavirus 2 infections: a three-family cluster study in China. 2020 Jun 11;221(12):1948-52.Full text external link opens in a new window Abstract external link opens in a new window

98. Luo L, Liu D, Liao X, et al. Contact settings and risk for transmission in 3410 close contacts of patients with COVID-19 in Guangzhou, China: a prospective cohort study. Ann Intern Med. 2020 Dec 1;173(11):879-87.Full text external link opens in a new window Abstract external link opens in a new window

99. Gao M, Yang L, Chen X, et al. A study on infectivity of asymptomatic SARS-CoV-2 carriers. Respir Med. 2020 May 13;169:106026.Full text external link opens in a new window Abstract external link opens in a new window

100. Chen F, Fu D, Yang Q, et al. Low transmission risk of 9 asymptomatic carriers tested positive for both SARS-CoV-2 nucleic acid and serum IgG. J Infect. 2020 Sep;81(3):452-82.Full text external link opens in a new window Abstract external link opens in a new window

101. Danis K, Epaulard O, Bénet T, et al. Cluster of coronavirus disease 2019 (Covid-19) in the French Alps, 2020. Clin Infect Dis. 2020 Jul 28;71(15):825-32.Full text external link opens in a new window Abstract external link opens in a new window

102. Cao S, Gan Y, Wang C, et al. Post-lockdown SARS-CoV-2 nucleic acid screening in nearly ten million residents of Wuhan, China. Nat Commun. 2020 Nov 20;11(1):5917.Full text external link opens in a new window Abstract external link opens in a new window

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104. Buitrago-Garcia D, Egli-Gany D, Counotte MJ, et al. Occurrence and transmission potential of asymptomatic and presymptomatic SARS-CoV-2 infections: a living systematic review and meta-analysis. PLoS Med. 2020 Sep;17(9):e1003346.Full text external link opens in a new window Abstract external link opens in a new window

105. Byambasuren O, Cardona M, Bell K, et al. Estimating the extent of asymptomatic COVID-19 and its potential for community transmission: systematic review and meta-analysis. JAMMI. 2020 Dec;5(4):223-34.Full text external link opens in a new window

106. Oran DP, Topol EJ. The proportion of SARS-CoV-2 infections that are asymptomatic: a systematic review. Ann Intern Med. 2021 Jan 22 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

107. Stubblefield WB, Talbot HK, Feldstein L, et al. Seroprevalence of SARS-CoV-2 among frontline healthcare personnel during the first month of caring for COVID-19 patients – Nashville, Tennessee. Clin Infect Dis. 2020 Jul 6 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

108. Vahidy FS, Bernard DW, Boom ML, et al. Prevalence of SARS-CoV-2 infection among asymptomatic health care workers in the Greater Houston, Texas, area. JAMA Netw Open. 2020 Jul 1;3(7):e2016451.Full text external link opens in a new window Abstract external link opens in a new window

109. Qiu H, Wu J, Hong L, et al. Clinical and epidemiological features of 36 children with coronavirus disease 2019 (COVID-19) in Zhejiang, China: an observational cohort study. Lancet Infect Dis. 2020 Jun;20(6):689-96.Full text external link opens in a new window Abstract external link opens in a new window

110. Zheng B, Wang H, Yu C. An increasing public health burden arising from children infected with SARS-CoV2: a systematic review and meta-analysis. Pediatr Pulmonol. 2020 Dec;55(12):3487-96.Full text external link opens in a new window Abstract external link opens in a new window

111. Milani GP, Bottino I, Rocchi A, et al. Frequency of children vs adults carrying severe acute respiratory syndrome coronavirus 2 asymptomatically. JAMA Pediatr. 2021 Feb 1;175(2):193-4.Full text external link opens in a new window Abstract external link opens in a new window

112. Tönshoff B, Müller B, Elling R, et al. Prevalence of SARS-CoV-2 infection in children and their parents in Southwest Germany. JAMA Pediatr. 2021 Jan 22 [Epub ahead of print].Full text external link opens in a new window Abstract external link opens in a new window

113. Frieden TR, Lee CT. Identifying and interrupting superspreading events: implications for control of severe acute respiratory syndrome coronavirus 2. Emerg Infect Dis. 2020 Jun;26(6):1059-66.Full text external link opens in a new window Abstract external link opens in a new window

114. Schwartz NG, Moorman AC, Makaretz A, et al. Adolescent with COVID-19 as the source of an outbreak at a 3-week family gathering: four states, June–July 2020. MMWR Morb Mortal Wkly Rep. 2020 Oct 9;69(40):1457-59.Full text external link opens in a new window Abstract external link opens in a new window

115. Atrubin D, Wiese M, Bohinc B. An outbreak of COVID-19 associated with a recreational hockey game: Florida, June 2020. MMWR Morb Mortal Wkly Rep. 2020 Oct 16;69(41):1492-3.Full text external link opens in a new window Abstract external link opens in a new window

116. Pray IW, Gibbons-Burgener SN, Rosenberg AZ, et al. COVID-19 outbreak at an overnight summer school retreat: Wisconsin, July-August 2020. MMWR Morb Mortal Wkly Rep. 2020 Oct 30;69(43):1600-4.Full text external link opens in a new window Abstract external link opens in a new window

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