WHO now considers that Sinovac vaccine requires three doses



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The chinese vaccines developed by the Sinovac and Sinopharm laboratories, based on inactivated viruses, need to be administered in three doses, when until now two were inoculated, experts from the World Health Organization (WHO) who analyzed the global vaccination program.

“All the evidence indicates that a third dose of these same vaccines or their counterparts is needed,” Mexican expert Alejandro Cravioto, president of the WHO Strategic Advisory Group of Experts (SAGE), said at a press conference, referring to the sera Chinese.

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The WHO recommendation may affect vaccination programs not only in China, where most of the 2.2 billion doses administered are from these two laboratories, but also countries in Latin America, Asia, Africa or Eastern Europe where these Chinese vaccines have been imported and used.

While Europe and States The United States has not approved the use of the Sinovac and Sinopharm vaccines, the WHO has included them in its list of emergency use and has asked the international community to do so to avoid discrimination at the entrance of travelers from certain countries .

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Cravioto indicated that these third doses should first be given to people over 60 years of age, age group that has shown greater problems of response to the coronavirus after being vaccinated with Sinovac o Sinopharm.

The SAGE expert, a group of experts that met last week to discuss global vaccination strategies, also opened the door for the third dose anticovid for people inoculated with Sinovac o Sinopharm It may be from one of the others approved by WHO (Pfizer, Moderna, Janssen, AstraZeneca).

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