Collective infection in Shinjuku theater “Negative proof” cannot be done by antibody test Experts 14th July 19:30
Regarding the mass infection of the new coronavirus that occurred at the stage performance held at the theater in Shinjuku, Tokyo, the organizer confirmed that 37 people including the audience and performers were infected with the new coronavirus by the 13th. I confirmed that I confirmed. Regarding the fact that one of the performers explained that they appeared because the antibody test was negative, experts say that they are not infected with the virus at the moment even if it becomes negative, so to speak, ``negative proof'' Emphasize that you cannot use it like.
The organizer explained that one of the performers who complained of poor physical condition was below the 37 degrees and 5 minutes, which is the guideline for staying at home according to the guidelines of the industry group, and that it appeared because the antibody test was negative. I am.
Yoshihiro Ishikawa, vice president of Yokohama City University, who is a member of the Japan Medical Association's expert conference and who is familiar with antibody testing, is to check whether antibody testing has been infected in the past. Emphasize that you can't use it like a "negative proof" to indicate that you are not infected with a virus.
Vice President Ishikawa said, "It takes time to develop antibodies in the body after being infected with the virus. Even if the antibody test is negative, it only shows that there is no antibody at the time of the test, proving that it is not infected with the virus. If you catch it by mistake, such as a non-infected "Original seal", you will not be able to take any measures, and you may end up infecting many people." It was.
Although there are many private medical institutions that carry out antibody tests, there is currently no nationally approved antibody test kit.
Vice President Ishikawa points out that "medical institutions that perform antibody tests need to properly convey the correct knowledge to those who undergo the tests, such as the accuracy of the tests and the original purpose."
Antibody test kit shipment volume is less than half of peak
After importing an overseas antibody test kit into Japan and interviewing several companies such as pharmaceutical trading companies that sell it, each company has shipped tens of thousands of kits to private clinics and companies so far. It has been done.
The shipment volume peaked around April to May after the start of sales, then gradually decreased, and is now less than half of the peak.