“There have been some recent conceptual developments in vaccine ‘herd immunity’ or ‘herd protection’ that address the complexities of imperfect immunity.”
Brazil’s Sao Paulo Pushes For Mandatory COVID Vaccinations
In September, Brazil's wealthiest and most populous state Sao Paulo went into contract with Chinese vaccine developer Sinovac Biotech, with the expectations to receive 46 million doses of CoronaVac. CoronaVac has been in Phase 3 testing in the South American country...
0 Comments