Carian mengenai topik vaccine-efficacy

Data released on Friday showed that vaccine efficacy against symptomatic infection was substantially reduced.

The spread of the highly infectious Delta variant, which according to CDC data accounted last month for more than 80 pct of new U.S. infections.

The decision to stop administering the Sinovac vaccine in the National COVID-19 Immunisation Programme is because its delivery has been completed and has nothing to do with the vaccine's efficacy.

A rundown of the most important stories you need to know for the day, from the newsroom of Astro AWANI.

China's top disease control official said the country is formally considering mixing COVID-19 vaccines to further boosting vaccine efficacy.

Two doses of the Pfizer shot cut symptomatic COVID-19 cases by 94 pct across all age groups, and severe illnesses by nearly as much.

Researchers are racing to establish whether the vaccines currently being rolled out across the globe are effective against the so-called 501Y.V2 variant.

The vaccine should show a minimum level point estimate vaccine efficacy (VE) of 50 per cent in clinical trials.

Unlike Pfizer's vaccine, Moderna's shot can be stored at normal fridge temperatures, which should make it easier to distribute.