"Heterosubtypic immunity (HSI) is defined as cross-protection to infection with an influenza A virus serotype other than the one used for primary infection." In layman's terms: an 'infection with "seasonal" influenza A viruses could induce immunity against unrelated sub-strains.'
"Heterosubtypic immunity (HSI) is defined as cross-protection to infection with an influenza A virus serotype other than the one used for primary infection." In layman's terms: an 'infection with "seasonal" influenza A viruses could induce immunity against unrelated sub-strains.'
Source: Wikipedia "Heterosubtypic immunity" · CC BY-SA 4.0
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