Virologist advises delaying dose four pending information on new variants, arrival of recent vaccines

Thailand’s prime virology skilled, Dr Yong Poovorawan, says people should delay getting a fourth dose of a Covid-19 vaccine until completely essential. Yong advises holding off, pending additional research into emerging variants and the development of second-generation vaccines.
According to a Bangkok Post report, PM Prayut Chan-o-cha has advised related agencies to organize for the administration of a fourth vaccine dose from next 12 months. Vaccine manufacturers are anticipated to make use of new technologies for second-generation vaccines to fight Covid-19 mutations.
Until then, Yong says there’s no have to rush into administering a fourth dose. Instead, officials ought to focus on getting as many individuals as attainable inoculated with 2 doses and offering booster doses to those who’ve obtained 2 doses. He recommends a booster of either AstraZeneca or an mRNA vaccine to ship sufficient safety.
Big adds that research is now being performed into vaccine efficacy and when immunity begins to wane in the vaccinated inhabitants. He says immunity might be boosted by the third and fourth doses being administered further apart. The virologist recommends that the second booster, or dose 4, should be given at least 6 months after the first (dose 3).
In associated information, the Bangkok Post reports that the federal government has confirmed its plan for the administration of booster doses. People who’ve acquired 2 doses of AstraZeneca should wait between 3 and 6 months earlier than receiving a booster of an mRNA vaccine, corresponding to Pfizer or Moderna.
On the QT who’ve been vaccinated with Pfizer or Moderna can receive a booster of the identical vaccine 6 months after receiving their second dose. Those who’ve received Sinovac or Sinopharm as their first dose, followed by AstraZeneca as their second, can receive a booster dose of either AstraZeneca, Pfizer or Moderna.
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