The World Health Organization has granted an emergency use authorization for the coronavirus vaccine made by China’s CanSino Biologics
Last year, China’s top infectious diseases official acknowledged that the country’s homegrown vaccines offered low protection against COVID-19 and that mixing them with booster doses of the novel messenger RNA vaccines might be needed.
Amid the emergence of COVID-19 variants like delta, omicron and its subvariants, messenger RNA vaccines have appeared to prove more effective when compared to more traditionally made vaccines.
WHO’s authorization of CanSino means that the U.N.-backed COVAX effort to distribute vaccines to poor countries can now purchase and deliver vaccines made by the Chinese company. Last year, COVAX signed a deal to buy more than half a billion Chinese vaccines made by Sinopharm and Sinovac.
It’s unclear how many of those doses are being used. Many countries relying on COVAX for their immunization programs have expressed a preference for mRNA vaccines made by Moderna and Pfizer.
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