<prompt> Dose of Oseltamavir Tamiflu for Chemoprophylaxis against H1N1 Influenza is:-75mg OD for 5 days75 mg OD for 7 days75 mg OD for 10 days75 mg OD for 6 weeks  <response>: H1N1 Risk factors : Child 2yrs ; pregnancy ; old aged 65yrs ; COPD; Chronic hea hepatic kidney disease; Pts on Aspirin therapy; Morbid obesity Lab diagnosis : -PCR Sample used : Nasopharyngeal swabs Chemoprophlaxis for H1N1 Swine flue: Oseltamivir 75 mg OD X 10 days TherapyDOC for H1N1 Swine Flu : Oseltamivir 75mg BD X 5 Days 