Chinese vaccine makers Sinopharm and Sinovac have presented data on their Covid-19 vaccines indicating levels of efficacy that would be compatible with those required by the World Health Organization, the chair of a WHO advisory panel said on Wednesday.
The WHO's Strategic Advisory Group of Experts hopes to issue recommendations on those vaccines by the end of April, its chair Alejandro Cravioto, told a Geneva news briefing...
Based on the performance of the past one year, the credibility of WHO questionable!
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