Chinese companies are finding that their COVID-19 vaccines are effective as booster shots and against variants of the virus, as data from more studies emerge.
Preliminary real-world data showed that Chinese inactivated vaccines are 63% protective against the COVID-19 Delta variant, China’s top epidemiologist Zhong Nanshan said at the 24th Respiratory Disease Academic Conference of Guangdong Medical Association in Guangzhou.
The lack of data surrounding the efficacy of Chinese COVID-19 vaccines against the Delta variant has had many questioning them, especially after a recent study showed that one of those vaccines, Sinovac Biotech Ltd.’s Coronavac, was less effective than Pfizer Inc. and Biontech SE’s Comirnaty in Chile.
HONG KONG – Following a wave of concern about the efficacy of two COVID-19 vaccine candidates developed by China National Pharmaceutical Group (Sinopharm), interim analysis of an ongoing phase III trial, published May 26 in the Journal of the American Medical Association, has shown that adults receiving at least one dose of either of the company’s two inactivated SARS-CoV-2 vaccines had significantly reduced the risk of symptomatic COVID-19.
HONG KONG – Following a wave of concern about the efficacy of two COVID-19 vaccine candidates developed by China National Pharmaceutical Group (Sinopharm), interim analysis of an ongoing phase III trial, published May 26 in the Journal of the American Medical Association, has shown that adults receiving at least one dose of either of the company’s two inactivated SARS-CoV-2 vaccines had significantly reduced the risk of symptomatic COVID-19.
Seychelles has seen rising numbers of COVID-19 cases despite 61% of its population being fully vaccinated as of May 8, calling into question the effectiveness of the COVID-19 vaccines used by the island nation.
Seychelles has seen rising numbers of COVID-19 cases despite 61% of its population being fully vaccinated as of May 8, calling into question the effectiveness of the COVID-19 vaccines used by the island nation.
The continuing politicization of COVID-19 vaccines is undermining medical science and the international response to the pandemic. “Vaccine nationalism is very troubling,” Jeremy Levin, chair of the Biotechnology Innovation Organization’s (BIO) executive committee, told BioWorld.
China’s National Medical Products Administration granted conditional approval two Chinese-developed COVID-19 vaccines in less than 24 hours on Feb. 25. One of the vaccines approved was developed by Tianjin-based Cansino Biologics Inc., and the other by China National Pharmaceutical Group (Sinopharm) through its Wuhan Institute of Biological Products subsidiary.
China’s National Medical Products Administration granted conditional approval two Chinese-developed COVID-19 vaccines in less than 24 hours on Feb. 25. One of the vaccines approved was developed by Tianjin-based Cansino Biologics Inc., and the other by China National Pharmaceutical Group (Sinopharm) through its Wuhan Institute of Biological Products subsidiary.
