title: The Author's reply.
authors.forename: Virendra
authors.initials: V
authors.lastname: Singh
authors.forename: Bharat Bhushan
authors.initials: BB
authors.lastname: Sharma
mesh_terms: D005260:Female; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*; D007297:Inpatients / Q000706:statistics & numerical data*; D008297:Male; D058873:Pandemics; D011024:Pneumonia, Viral / Q000175:diagnosis* / Q000453:epidemiology*; D011891:Rain