Home Health Chilean study reveals vaccine efficacy ‘Sinovac-Pfizer-AstraZeneca’ in the real world

Chilean study reveals vaccine efficacy ‘Sinovac-Pfizer-AstraZeneca’ in the real world

by news dir
REUTERS

Chilean study reveals vaccine efficacy ‘Sinovac-Pfizer-AstraZeneca’ in the real world

Chilean authorities have released the results of a study on the efficacy of the COVID-19 vaccine. when applied in the real world It is a study of data from injections to millions of Chileans between February and July. It was concluded that the Sinovac vaccine was 58.5% effective in preventing illness. Meanwhile, Pfizer’s vaccine was 87.7% effective and AstraZeneca was 68.7% effective.

Such information comes from information. The latest “real world” published by the Chilean authorities. About the effectiveness of the COVID-19 vaccine among the Chilean population who received the COVID-19 vaccine. Chile is the country that has started a vaccination program against COVID-19. One of the fastest in the world in December last year. Currently, more than 60% of Chileans are fully vaccinated. Most of them are Sinovac’s coronavirus vaccines.

Health official Dr Rafael Araus told a news conference on August 3 local time that the coronavirus vaccine was 86% effective in preventing hospitalizations. It was 89.7% effective in preventing intensive care unit admissions and 86% effective in preventing deaths in the February-July population.

in April The same study found that the coronavirus vaccine was 67% effective in preventing symptomatic illness. It is 85% effective in preventing hospitalization and 80% effective in preventing death, indicating that the virus’s ability to prevent more serious illnesses is improved. while the ability to suppress the illness was reduced.

Dr. Araus said A reduction in the vaccine’s protective ability over time is inevitable. This is especially true with the arrival and rise of mutant viruses with a higher chance of infection, such as the Delta strain.

“If the delta species are more widespread and vaccines are less responsive. We may notice a more rapid decline in vaccine efficacy,” said Dr. Araus. Along with calling for a booster vaccination with 3 needles to follow.

Chile has also published data on the efficacy of other vaccines that, in Chile, include the Pfizer/Biontech and AstraZeneca vaccines produced during the same period. by Dr. Araus said Pfizer vaccine is 87.7% effective in preventing COVID-19, 98% effective at preventing intensive care and is 100% effective in preventing death

The AstraZeneca vaccine is 68.7% effective in preventing COVID-19. 98% effective in preventing intensive care and is 100% effective in preventing death

The study of the effectiveness of the vaccine against COVID-19 Chile’s vaccinated group compared those who received two doses, one dose, and those who were not vaccinated at all. The population sample of the coronavirus vaccine was 8.6 million, 4.5 million Pfizer/Biotech, and 2.3 million AstraZeneca.

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