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Mix and match vaccinations can boost immunity effectively, faster - Dr. Yong

Mix and match vaccinations can boost immunity effectively, faster - Dr. Yong

13 Sept 15:45 Key points summarised by AI
  • Prominent Thai virologist Dr. Yong Poovorawan advocates for "Mix and Match" COVID-19 vaccination, combining a whole virus vaccine (e.g., Sinovac) with a vector vaccine (e.g., AstraZeneca) to significantly boost immunity faster and more effectively.
  • This approach, particularly Sinovac followed by AstraZeneca, accelerates immunity development to six weeks, compared to 12 weeks for two vector doses, and a third AstraZeneca shot after two Sinovac doses achieves very high antibody levels.
  • Studies indicate the "Mix and Match" method offers 95-99% virus inhibition and has reported no severe side effects among recipients, supporting its adoption by Thailand's health authorities to optimize resources and combat variants like Delta.
  • While the WHO initially cautioned against individuals deciding on mixed doses, it clarified that public health agencies can implement such strategies based on available scientific data.
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