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Thai study finds 2 doses of Sinovac can’t beat Delta variant, AstraZeneca can

Thai study finds 2 doses of Sinovac can’t beat Delta variant, AstraZeneca can

13 Sept 20:53 Key points summarised by AI
  • Two doses of Sinovac vaccine boost antibodies but prove ineffective against the highly contagious Delta variant, though offering some protection against the Alpha variant.
  • Conversely, two doses of the Oxford-AstraZeneca vaccine effectively immunize individuals, achieving over 90% neutralizing antibody levels against the virulent Delta variant.
  • A Sinovac-AstraZeneca booster regimen offers improved protection against Delta compared to two Sinovac doses, but remains less potent than a full AstraZeneca course.
  • Frontline medical personnel, primarily vaccinated with Sinovac, are advised to receive an AstraZeneca booster for enhanced protection against Delta until mRNA vaccines are accessible.
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