China has laid out its criteria for approving Covid-19 vaccines. Photo: DPA
Coronavirus: Chinese regulator says vaccines must have 50 per cent efficacy, give 6 months’ immunity
- Products that meet the efficacy standard but have not completed their testing may also be used in emergencies, Chinese Centre for Drug Evaluation says
- Four Chinese vaccine candidates are undergoing clinical trials in the United Arab Emirates, Brazil, Saudi Arabia and Indonesia
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Coronavirus China
China has laid out its criteria for approving Covid-19 vaccines. Photo: DPA