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Volume 30, Number 1—January 2024
Research

Effectiveness of Vaccines and Antiviral Drugs in Preventing Severe and Fatal COVID-19, Hong Kong

Yue Yat Harrison Cheung1, Eric Ho Yin Lau1, Guosheng Yin, Yun Lin, Benjamin J. Cowling, and Kwok Fai LamComments to Author 
Author affiliations: The University of Hong Kong, Hong Kong, China (Y.Y.H. Cheung, E.H.Y. Lau, G. Yin, Y. Lin, B.J. Cowling, K.F. Lam); Hong Kong Science and Technology Park, Hong Kong (E.H.Y. Lau, B.J. Cowling); Imperial College London, London, UK (G. Yin); Duke-NUS Medical School, Singapore (K.F. Lam)

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Figure 4

Cumulative hazards for serious/critical/fatal condition outcome events in study of effectiveness of vaccines and antiviral drugs in preventing severe and fatal COVID-19, Hong Kong. Cumulative hazards were compared among age groups, patients prescribed oral antiviral drugs, and those unvaccinated or vaccinated with CoronaVac or Comirnaty vaccines. A) No antiviral drugs, B) molnupiravir, C) nirmatrelvir/ritonavir. Antiviral drugs were prescribed within 5 days after confirmation of a COVID-19 diagnosis. Colors indicate age groups within each treatment group.

Figure 4. Cumulative hazards for serious/critical/fatal condition outcome events in study of effectiveness of vaccines and antiviral drugs in preventing severe and fatal COVID-19, Hong Kong. Cumulative hazards were compared among age groups, patients prescribed oral antiviral drugs, and those unvaccinated or vaccinated with CoronaVac or Comirnaty vaccines. A) No antiviral drugs, B) molnupiravir, C) nirmatrelvir/ritonavir. Antiviral drugs were prescribed within 5 days after confirmation of a COVID-19 diagnosis. Colors indicate age groups within each treatment group.

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1These first authors contributed equally to this manuscript.

Page created: October 31, 2023
Page updated: December 20, 2023
Page reviewed: December 20, 2023
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