In order to find out how many people have antibodies to the new coronavirus, preliminary figures from the results of a survey conducted by the Ministry of Health, Labor and Welfare from February to last month have been released, and antibodies of the type indicating that they have actually been infected have been released. It turned out that the number of people who had it was about 5% in Tokyo and Osaka prefectures.
The Ministry of Health, Labor and Welfare has reached the "sixth wave" of infection, and from February 2 to 6 last month, the Ministry of Health, Labor and Welfare investigated the antibody prevalence in a total of more than 8,000 people in five prefectures, and opened on the 13th. The preliminary figures of the results were announced at the expert meeting of the Ministry of Health, Labor and Welfare.
According to this, the prevalence of the type of antibody that can be obtained only when actually infected with the new coronavirus is 5.65% in Tokyo, 5.32% in Osaka, 1.49% in Miyagi, and 3.09 in Aichi. %, ▽ Fukuoka prefecture was 2.71%, which was 1.2 to 2 times higher than the previous survey in December last year, respectively.
In each case, it was about the same level as the cumulative number of infected people in the population of each prefecture at the time of the survey.
In addition, more than 96% of people in all prefectures had the type of antibody that can be obtained by vaccination, but according to the Ministry of Health, Labor and Welfare, this result shows sufficient immunity to prevent the onset and aggravation. I don't know if it exists.
Takaji Wakita, chairman of the expert meeting, said, "At the expert meeting, it was pointed out that although detailed analysis is necessary, few infected people are asymptomatic and have not been tested."