Does Tamiflu prevent me from acquiring immunity to a flu strain? My husband had the flu so I took Tamiflu at the first symptom and I didn't get sick. I felt a little crappy one night and the next morning then it was gone. I took it once a day for 5 days except for the day I felt bad I took it twice.
Flu contantly changes, no one can really be immune to a strain of flu as it will travel through people changing all the time so in a few months you are very likely to get it again if it comes your way.
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