Yes, still can bf. In fact, the antibodies your body produce to fight the flu will be also pass to yr baby. Unless you can be sure you won't pass the flu to yr baby, if not, I think is better to let yr baby to receive yr antibodies to fight the flu just in case she got it from you. Panadol should not have problem, bt problem flu I m not sure. Cos I had been using only traditional chinese medicine which herb is believe to be safe for bf mum. Check with yr gynae.