Sao Paulo – Synovac Biotech Ltd’s Covid-19 vaccine, which scientists hope could help fight epidemics in the developing world, has passed a 50% threshold for effectiveness in Brazil’s late-stage experiments, meaning regulators can green it. Light for use, said those involved in its development. Brazil is the first country to …
Read More »Sinovac’s Covid-19 vaccine has been shown to be effective in Brazilian trials
