China's coronavirus vaccines effectiveness is low says Disease Control director

The director of the China Centres for Disease Control made that admission at a conference yesterday

It’s claimed the effectiveness of China's coronavirus vaccines is low and ministers are considering mixing them to give them a boost.

The effectiveness rate of a jab from one developer in the country, Sinovac, was put at 50 percent by Brazilian researchers.

It was 97 percent for Pfizer's vaccine.