Several Indian cities are under the grip of viral fever, with patients reporting common flu and severe influenza symptoms. According to doctors, this is due to Influenza A subtype H3N2 virus. It is also causing severe respiratory illness among patients.
"Influenza A subtype H3N2 is the major cause of current respiratory illness," the Indian Council of Medical Research (ICMR) recently said.
According to ICMR, about half of all inpatients admitted for severe acute respiratory infections (SARI), as well as outpatients being treated for influenza-like illness, are found to have Influenza A H3N2.
"This subtype appears to cause more hospitalisation than

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