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| U. A study in the United States showed that the antibody response to the new coronavirus showed significant age differences, with the strongest response in people aged 10 and under. Researchers at Cornell University's Weil Cornell School of Medicine analyzed nearly 32,000 antibody test results from April to August 2020 in a New York City hospital and came to the above conclusion. Agence France-Presse quoted analysis results on the 22nd and reported that among the study subjects, the seropositivity rates of minors and adults were similar, close to 17% and 19%, respectively, which means that these people have been infected with the new crown virus. IgG antibody, also known as immunoglobulin G antibody, can recognize the spike protein on the surface of the new coronavirus, block the virus from entering the cell, have strong specificity, and produce immune memory. globulin The evaluation results showed that the median value of IgG antibodies in 32 children aged 1 to 10 years was nearly five times that of 127 adults aged 19 to 24 years. The researchers once again narrowed the scope of the study subjects and screened out 126 subjects who were 1 to 24 years old who tested positive for the new crown. The researchers said in an article published on the 22nd in the Journal of the American Medical Association: Open Network: "These findings show that the clinical manifestations of children and adult patients with the new coronavirus are different, partly because of the age of immune response. According to the researchers, although it is not clear why the immune response of minors to the new coronavirus is different from that of adults, it may be necessary to consider age factors in the screening and management of related diseases and vaccination. aspx?id=3570" target="_blank" style="color:#ba1413">Focus on the new crown pneumonia epidemic
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