Chinese disease control official makes a strong claim. Check out what he said

• In a major development China’s top disease control official has stated that the country’s Covid vaccine efficacy is low.

• China has developed four different vaccines approved for public use, though some trials abroad had suggested efficacy as low as 50%.

• On Saturday Gao Fu, head of the Chinese Centres for Disease Control and Prevention, stated at a conference that the vaccines "don't have very high rates of protection".

• However the statement is very imperative given the conspiracy behind the origin of Coronavirus, Mr. Gao had later stated that his comments were misinterpreted.