Change in covid-19 risk over time following vaccination with CoronaVac: test negative case-control study

Off BMJ, British Medical Journal, COVID-19, Science and Health, Science and Research, Uncategorized

AbstractObjectiveTo estimate the change in odds of covid-19 over time following primary series completion of the inactivated whole virus vaccine CoronaVac (Sinovac Biotech) in São Paulo State,…

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