झानामिभिरजों हिसाबै, फ्लुनि गिबि लैक्षोनफोर मोननायनि 48 घन्टाफोरनि गेजेराव असेलतामिभिर लानायनि जागायनो नांगौ।
As with zanamivir, you need to start taking oseltamivir within 48 hours of getting the first symptoms of flu.