WHO voiced recommendations on mixed vaccination against coronavirus
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Only mixed immunization against coronavirus with AstraZeneca (first dose) and Pfizer / BioNTech (second dose) is possible.
The World Health Organization advises to administer two doses of the same coronavirus vaccine. This was announced on Wednesday evening, June 30, by the head of the WHO immunization department Kate O’Brien in Twitter.
“We do not yet have data as to whether the immune response will persist with a mixed vaccination schedule or whether it is safe to use. At the moment, we recommend that the same vaccine be used when two doses are required. for both doses, “the expert noted.
At the same time, O’Brien clarified that the organization approves the introduction of a second dose of Pfizer / BioNTech after the first injection with AstraZeneca, since data on such mixed immunization has already.
“We have a permissive recommendation in this regard,” she said.
Finally, a WHO spokesperson recalled that vaccines for COVID-19 were developed only about a year ago, so it takes time to “monitor” and find out how long antibodies persist in the human body.
Previously, the chief sanitary doctor of Ukraine Igor Kuzin preferred the Chinese vaccine CoronaVac from Sinovac versus Pfizer / BioNTech.
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