The Ministry of Health, Labor and Welfare has summarized the results that the effect of vaccination may have been reduced by more than 100,000 people infected with the new coronavirus and more than 8,000 deaths in the two months until last month. I did.
The Ministry of Health, Labor and Welfare analyzed the effects of vaccines based on the rate of increase in the number of infected people during the fifth wave of infection, using data from the system "HER-SYS" that aggregates information on infected people.
According to this, the number of infected people in July decreased by 0.86 times for those aged 65 and over who had been vaccinated compared to June, while it increased significantly to 2.95 times for those under 65 years old.
Based on this, assuming that vaccination did not progress even in the elderly and the rate of increase was the same as in the younger generation, the total number of infected people in the two months of July and August was about 138,000. rice field.
In fact, the number of infected people in the system over the last two months was about 30,000, and the Ministry of Health, Labor and Welfare says that the vaccine may have reduced the infection of the elderly by more than 100,000.
Furthermore, when calculated by multiplying the case fatality rate of the elderly from January to May before the vaccination progressed, it is possible to prevent the death of more than 8,000 elderly people in the two months of July and August. It is said that there is sex.
According to the Ministry of Health, Labor and Welfare, "It is a hypothetical calculation, but the effect of the vaccine can be expected to suppress the increase in the number of infected people and the number of deaths, especially in the elderly."