Virologist advises delaying dose 4 pending information on new variants, arrival of latest vaccines

Thailand’s top virology expert, Dr Yong Poovorawan, says folks should delay getting a fourth dose of a Covid-19 vaccine till completely necessary. Yong advises holding off, pending additional analysis into rising variants and the development of second-generation vaccines.
According to a Bangkok Post report, PM Prayut Chan-o-cha has advised relevant companies to prepare for the administration of a fourth vaccine dose from subsequent 12 months. Vaccine producers are expected to make use of new applied sciences for second-generation vaccines to combat Covid-19 mutations.
Until then, Yong says there’s no have to rush into administering a fourth dose. Instead, officers should concentrate on getting as many people as possible inoculated with 2 doses and providing booster doses to these who’ve received 2 doses. He recommends a booster of both AstraZeneca or an mRNA vaccine to deliver sufficient safety.
Yong provides that analysis is now being conducted into vaccine efficacy and when immunity begins to wane within the vaccinated population. He says immunity might be boosted by the third and fourth doses being administered additional aside. The virologist recommends that the second booster, or dose 4, must be given a minimal of 6 months after the primary (dose 3).
In associated news, the Bangkok Post reports that the government has confirmed its plan for the administration of booster doses. People who’ve obtained 2 doses of AstraZeneca ought to wait between three and 6 months earlier than receiving a booster of an mRNA vaccine, such as Pfizer or Moderna.
โซล่าเซลล์ราคาถูก 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 acquired Sinovac or Sinopharm as their first dose, adopted by AstraZeneca as their second, can obtain a booster dose of both AstraZeneca, Pfizer or Moderna.
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