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Sinovac vaccine barely effective against Alpha or Delta COVID-19 variants

Sinovac vaccine barely effective against Alpha or Delta COVID-19 variants

13 Sept 07:56 Key points summarised by AI
  • Antibody tests reveal Sinovac vaccine's rapidly declining efficacy (from 90% to 30-40%) and limited protection (70% efficacy) against Alpha and Delta COVID-19 variants.
  • A fully Sinovac-vaccinated nurse died from COVID-19, highlighting the vaccine's ineffectiveness and the risk of severe breakthrough infections among frontline medics.
  • This tragic event spurred demands for a heterologous booster shot for frontline medical personnel, prompting the CCSA to allocate Pfizer/BioNTech vaccines for medics and vulnerable groups.
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