Percentage of people with antibodies to novel coronaviruses in Tokyo: 0.1%, many did not have antibodies. Japan.-English-

The Ministry of Health, Labour and Welfare (MHLW) has announced that antibody tests to determine whether people have been infected with a new coronavirus have been conducted in three prefectures In a survey of about 8,000 people in the United States, the percentage of people with antibodies was 0.1% in Tokyo. This is the case. The Ministry of Health, Labour and Welfare says it has found that most people do not have antibodies to the disease. On the other hand, it is not known whether antibodies can prevent a second infection.

It is unclear why the disease is less common in Japan.

The antibody test analyzes the presence in the blood of proteins called antibodies, which are produced in the body when a person is infected with a virus, to determine whether or not he or she has been infected in the past.

The Ministry of Health, Labour and Welfare (MHLW) conducted antibody tests for a total of 7,950 randomly selected men and women aged 20 years and older between January 1 and 7 in three prefectures with populations of a certain size: Tokyo and Osaka, which have the highest number of cases per 100,000 people, and Miyagi, which has the lowest number of cases per 100,000 people, to test for antibodies to the new coronavirus.

As a result, the percentage of people who possessed antibodies was 0.1% in Tokyo, 0.17% in Osaka, and 0.03% in Miyagi. On the 16th, the percentage of people with antibodies was 0.1% in Tokyo, 0.17% in Osaka, and 0.03% in Miyagi.

As of the end of last month, the percentage of people infected as a percentage of the population was 0.038% in Tokyo, 0.038% in Osaka, and 0.03% in Miyagi. In comparison, the percentage of people with antibodies was 0.02% in Osaka and 0.004% in Miyagi, and the percentage of people with antibodies was high. However, the Ministry of Health, Labour and Welfare says it has been found that the majority of people do not have antibodies.

On the other hand, it is not known at present how long antibodies to the new coronavirus last in the body and whether they can prevent a second infection, among other details.

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