Flu Symptoms More Condition_symptoms Why Is Tamiflu Being Authorized By The NHS Flu Helpline For People Who Have Had Symptoms Longer Than 48hrs?

Why is Tamiflu being authorized by the NHS Flu helpline for people who have had symptoms longer than 48hrs? - flu symptoms more condition_symptoms

I insist that everything I read said, that the drug did not work at all, if the duration of the treatment started more than 48 hours after the first symptoms of influenza. Is not this a waste of money for all this Tamiflu for patients who have flu symptoms for the 4, 5, Day did?