How important is COVID-19 vaccination？ US CDC： The risk of death after infection of unvaccinated people is 11 times that of vaccinated people.

Sohu medicine

According to CNN website, the latest data released by the US Centers for Disease Control and Prevention shows that the complete vaccination rate of COVID-19 vaccine is 57%, and the death risk of unvaccinated adults infected with Covid-19 is 11 times higher than that of fully vaccinated adults.

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Dr. Rochelle Walensky, director of the US Centers for Disease Control and Prevention, said that there are still a small number of people in the United States who have not been vaccinated. The virus is very smart and gives priority to "targeting" them. According to the epidemic data in August this year, the risk of Covid-19 infection among those who have not been vaccinated is 6 times higher than that of those who have been vaccinated, and the risk of death is 11.3 times higher. In the last week of August, the risk of hospitalization in the former was 19 times that in the latter. Although the death rate of unvaccinated people in the last week of August was 9 per 100,000 people, which was 30% lower than that in the first week, it was still much higher than that of fully vaccinated people, who had never had a death risk of more than 1.2 per 100,000 people since April.

In addition, the risk of illness varies with age between unvaccinated and vaccinated people. The hospitalization rate under 50 years old is 15 times different, while the difference between them is 31 times among people aged 50-64 years old.

An analysis by Caesar Family Foundation shows that the number of deaths in COVID-19 dropped rapidly in the months after the vaccine was popularized. With the emergence of the more threatening Delta mutant virus and the relaxation of social distance restrictions, the number of hospitalizations and deaths rose again. In July this year, COVID-19 ranked seventh among the causes of death in the United States, and rose to second place after another wave of Delta virus epidemic, second only to heart disease, and ranked first among the causes of death among adults aged 35-54. In the past three months, there were 90 thousand preventable deaths among unvaccinated adults, and more than half of them occurred in the last month.

In order to prevent the threat of Delta virus, FDA has approved the emergency use authorization of the third booster needle of Pfizer vaccine. Last Thursday, the FDA Vaccine Advisory Committee unanimously approved the application for enhanced vaccination of Moderna COVID-19 vaccine. People over 65 years old, high-risk exposed people aged 18-64 and chronically ill patients all suggested that half of the dose should be vaccinated six months after the second dose to enhance the protective effect; Last Friday, the committee also unanimously approved the application for enhanced vaccination of Johnson & Johnson COVID-19 vaccine. One dose of Johnson & Johnson vaccine can be vaccinated six months later, and the effectiveness has risen to 94%, which is consistent with Pfizer and Moderna vaccines.

At present, there are about 85,000 cases of infection in a single day in the United States, which is 8,000 fewer than the same period last week, and the daily death toll has dropped by more than 200 people. However, the vaccination rate of the total population in the United States is only 57%, and the epidemic wave is threatening to make a comeback. Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases in the United States, believes that it is not known what the vaccination rate will be to curb the spread of the virus, but the more the better. The surge in cases is not inevitable, and the downward trend of the epidemic will depend on the next vaccination progress.

reference data

1.　New CDC data shows the risk of dying from Covid-19 is 11 times higher for unvaccinated adults than for fully vaccinated adults

https://edition.cnn.com/2021/10/15/health/cdc-covid-risk-higher-unvaccinated/index.html

2.　FDA advisers recommend J&J Covid-19 vaccine boosters, talk mix and match boosters

https://edition.cnn.com/2021/10/15/health/fda-jj-booster-committee-friday/index.html