Considering the Nasal Spray Flu Vaccine? Some people shouldn't get it, experts say.
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Blood Test May Help Predict How Long Immunity Lasts
First U.S. Death From Bird Flu Reported in Louisiana
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Norovirus Cases Are Up in Pockets of the U.S.
CDC Reports Potentially Troublesome Mutations in Bird Flu Found in Louisiana Patient
Has RSV Vaccine Hesitancy Subsided?