New Corona “European strains are susceptible to flying infections” The University of Tokyo, etc. November 13, 4:54

A group such as the University of Tokyo has announced that animal experiments have confirmed that some of the new coronaviruses have been mutated and spread from Europe, and that they are susceptible to flying infections. Did.

The group of Professor Yoshihiro Kawaoka of the Institute of Medical Science of the University of Tokyo and Professor Ralph Barrick of the University of North Carolina has a surface similar to the new wild-type coronavirus that spread from Wuhan, China and the European strains that are currently spreading all over the world. We announced the results of comparing viruses that mutated a part of the protein in hamsters and other experiments.

When the research group investigated how much hamsters in another adjacent cage were infected through flying, two days later, none of the wild-type hamsters were infected in the next cage. On the other hand, in European strains, 5 out of 8 animals are considered to be susceptible to flying infections.

Also, when both viruses were cultivated together, the European strain became predominant.

On the other hand, there was no difference in the degree of inflammation of the lungs of hamsters and the like, there was no effect on pathogenicity, there was no difference in the response to antibodies, and even the vaccine developed based on the wild type was a European virus. On the other hand, the same effect can be expected.

The research group said it became clear why the European virus spread the wild-type virus in a very short period of time, and it is necessary to continue to look for mutations.

The research results will be published in the online version of the scientific journal "Science".