Yes Tamiflu works

Me - no tamiflu - had it for 8 days (high temps over 104 = 4 days)
H2 - tamiflu w/in 36 hours - 5 days (high temps over 104 = 3 days)
H3 - tamiflu w/in 12 hours - 4 days (high temps over 104 = 2 days)
H1 - tamiflu BEFORE high temp sets in - 2 days (high temps over 104 = 1/2 day)