COVID-19 Sinovac vaccine, developed by UC and the Chinese laboratory Sinovac Biotech Ltd

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

Inoculation with two doses of China’s Sinovac vaccine can boost the neutralizing antibody level to 80-90% and provide immunity to the Alpha variant of the COVID-19 virus to some extent, but cannot fend off the highly contagious Delta variant, which is becoming dominant in Thailand and many other parts of the world, said a prominent Thai doctor today (Friday).

Two doses of the UK’s Oxford-AstraZeneca vaccine can, however, immunize people, with neutralizing antibody levels of over 90%, against the virulent Delta variant, according to Head of the Thai Red Cross Emerging Infectious Diseases Health Science Centre, Professor Dr. Thiravat Hemachudha, who conducted a joint study with Dr. Anan Jongkaewwattana, a virologist at BIOTEC.

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By Thai PBS World


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