Microbiology All are true about H I NI influenza except: A Zanamivir commonly given through IV route B Fatality more in some high risk group C -PCR is used for investigation D WHO latest trivalent influenza vaccine contains two influenza A subtypes (H3N2 and H1N1) and one influenza B component 💡 Explanation All are true about H I NI influenza except: ✓ Correct Answer: A. Zanamivir commonly given through IV route