Perhaps some extinction in influenza virus, the effect of the new colon virus infection measures.

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新型コロナウイルス感染症への対策が徹底されたおかげか、インフルエンザの症例が激減していることが報告されています。研究者によると、中でも2種類のインフルエンザウイルスについては1年にわたって報告がなく、絶滅した可能性があるとのことです。Flu virus became less diverse, simplifying task of making flu shots - STAThttps://www.statnews.COM/2021/06/02/Pandemic-UPSIDE-FLUS-VIRUS-BECAME-LESS-DIVERSE-DIVERSE-SIMPLIF-TASK-TASK-FLU-SHOTS/

2 types of flu viruses may have gone extinct | Live Sciencehttps://www.Livescience.Com/Flu-Virus-Types-Extinct-Covid-19.html「インフルエンザウイルス」は「A型」「B型」「C型」に分けられ、このうち重い症状の季節性インフルエンザは「A型」「B型」によってもたらされます。

"A -type influenza virus" is further classified as subtypes in the combination of the protein "Hemagurutinin (HA)" and "Noir Minidase (NA)".In recent years, "H1N1" and "H3N2" are often popular, and these are classified as more finely in branch groups.On the other hand, "B -type influenza virus" is divided into two types: "B/Victoria" and "B/YAMAGATA (Yamagata system)".According to Stat of the scientific news site, one of the branch groups of "H3N2" is "3c3."A" and "B/YAMAGATA" have not been detected since March 2020.Experts commented on this, although it could not be said to have been extinct because it has not been detected or has no case report, but it may be extinct.If the influenza virus diversity is lost and the diversity of influenza virus is lost, the production of influenza vaccine will be a little easier.Vaccines are made by scientists and predicts "which virus stocks that are likely to be the next epidemic" every year, so the lower the diversity, the higher the probability of the virus that actually trends in the vaccine.。In particular, "H3N2" is diversity, and it is thought that genetic diversification was progressing every year before the pandemic of the new colon virus infection.For this reason, experts confessed that "when choosing vaccine stocks, diversity was a headache."

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