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Coronavirus disease 2019 (COVID-19)
Number of COVID-19 cases reported weekly by WHO Region, and global deaths, as of 18 July 2021
World Health Organization
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Coronavirus disease 2019 (COVID-19)
Illustration revealing ultrastructural morphology exhibited by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) when viewed with electron microscopically
Centers for Disease Control and Prevention
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Coronavirus disease 2019 (COVID-19)
Information for the Pfizer/BioNTech COVID-19 vaccine is based on the US prescribing information. Consult your local drug formulary or guidelines for more detailed information. *Efficacy in preventing symptomatic infection in people ages 16 years and older according to clinical trials. Last updated: 8 July 2021
BMJ Best Practice editorial team; compiled using data from the US product information
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Coronavirus disease 2019 (COVID-19)
Information for the Janssen COVID-19 vaccine is based on the US prescribing information. Consult your local drug formulary or guidelines for more detailed information. *Efficacy in preventing symptomatic infection in people ages 18 years and older according to clinical trials. Last updated: 8 July 2021
BMJ Best Practice editorial team; compiled using data from the Us product information
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Coronavirus disease 2019 (COVID-19)
Virus replication cycle
BMJ. 2020;371:m3862
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Coronavirus disease 2019 (COVID-19)
Information for the Moderna COVID-19 vaccine is based on the US prescribing information. Consult your local drug formulary or guidelines for more detailed information. *Efficacy in preventing symptomatic infection in people ages 18 years and older according to clinical trials. Last updated: 8 July 2021
BMJ Best Practice editorial team; compiled using data from the US product information
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Coronavirus disease 2019 (COVID-19)
Transverse CT scans from a 32-year-old man, showing ground-glass opacity and consolidation of lower lobe of right lung near the pleura on day 1 after symptom onset (top panel), and bilateral ground-glass opacity and consolidation on day 7 after symptom onset
Xu XW et al. BMJ. 2020;368:m606
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Coronavirus disease 2019 (COVID-19)
Early effectiveness of covid-19 vaccination
BMJ. 2021 May 13;373:n1088
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Coronavirus disease 2019 (COVID-19)
Risk for hospitalization and death by age group (rate ratios compared with 18- to 29-year-olds)
Table based on data from the CDC
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