SANTIAGO, July 10 (Xinhua) — China’s CoronaVac COVID-19 vaccine effectively prevented COVID-19 in Chile, with the adjusted vaccine effectiveness reaching 90.3 percent for the prevention of severe disease, according to a study recently published in the New England Journal of Medicine.<\/p>\n\n\n\n
A nationwide mass vaccination campaign was conducted from Feb. 2 to May 1, and a cohort including approximately 10.2 million people aged 16 years and above was used, according to the study titled Effectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile published on Wednesday.<\/p>\n\n\n\n
Among those who were fully immunized, the adjusted vaccine effectiveness was 65.9 percent for the prevention of COVID-19, 87.5 percent for the prevention of hospitalization, and 86.3 percent for the prevention of COVID-19-related death, the results of the study showed.<\/p>\n\n\n\n
The CoronaVac, also known as the Sinovac COVID-19 vaccine, is an inactivated virus COVID-19 vaccine developed by Chinese pharmaceutical company Sinovac Biotech.<\/p>\n\n\n\n
CoronaVac uses an inactivated whole virus, compelling a recipient’s immune system to attack the harmless form of the virus by producing antibodies to fight it off, thus leading to immunity. <\/p>\n\n\n\n
Source: http:\/\/www.xinhuanet.com\/english\/2021-07\/10\/c_1310053763.htm <\/p>","protected":false},"excerpt":{"rendered":"
SANTIAGO, July 10 (Xinhua) — China’s CoronaVac COVID-19 vaccine effectively prevented COVID-19 in Chile, with the adjusted vaccine effectiveness reaching 90.3 percent for the prevention of severe disease, according to a study recently published in the New England Journal of Medicine. A nationwide mass vaccination campaign was conducted from Feb. 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