Latest video release about Coronavirus. Have a look at this “Chinese Covid vaccines 'don't have high protection rates', official says – BBC News” video below:
China’s top disease control official has said the country’s vaccines offer low protection against coronavirus, in a rare admission of weakness.
Gao Fu also said China was considering mixing vaccines as a way of boosting their effectiveness.
China has developed four different vaccines approved for public use, though some trials abroad had suggested efficacy as low as 50%.
Mr Gao later said…..(read more)