Wasn't the pfizer trial placebo 89% effective?
Wasn't the pfizer trial placebo 89% effective?
were they pulling an astrazeneca brasil and using a vaccine as placebo?
were they pulling an astrazeneca brasil and using a vaccine as placebo?
https://endpts.com/brazilian-volunteer-in-astrazeneca-covid-19-vaccine-trial-has-died-brazils-health-agency-says-report/
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