A new study shows that receiving an updated COVID vaccine reduced people’s risk of severe disease and death in all age groups ...

Sinovac Biotech's experimental COVID-19 vaccine CoronaVac triggered a quick immune response but the level of antibodies produced was lower than in people who had recovered from the disease, ...

Covid-19 has infected more than 234M people and killed at least 4.7M globally. Here are the virus-related developments for September 30: ...

China's Sinovac Biotech has secured $515 million in funding from a local firm to double production capacity of its coronavirus vaccine, the companies said on Monday, as it expects efficacy data of its ...