"Is the actual number of corona infected people quite large?" Osaka City University, May 1 at 15:22 by antibody test

For patients who visited the hospital for reasons other than the novel coronavirus, we examined the antibodies in the blood to see if they had been infected by Osaka City University. As a result, about 1% of the 300 patients detected the antibodies. I understood that The group says it is necessary to prevent the explosive spread of infection as it is considered to reflect the local infection situation.

A research group of Associate Professor Yasutoshi Kido of Osaka City University and others has developed a new method of antibody testing to check whether there is a protein called antibody made in the blood after infection with the new coronavirus in the blood. Developing.

Using the antibody test method, the research group examined the antibody of 312 patients other than the newly selected coronavirus randomly selected who visited the outpatient department of Osaka City University Hospital for two days at the end of last month. It means that the antibody was detected from 3 people.

The research group believes that the three individuals are likely to have been infected with the new coronavirus and are considered to reflect the local infection status.

“The actual number of infected people is considered to be considerably higher than what has been confirmed so far. However, in the future, many people will become infected and acquire antibodies, so that it will not spread anymore” Collective immunity "It takes time to do so, so it is necessary to prevent the explosive spread of infection in order to maintain the medical system."