H1N1: Theoretically you should be protected after a second exposure unless the h1n1 virus mutates.
Answered 4/20/2014
4.2k views
A doctor has provided 1 answer
A doctor has provided 1 answer
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
19 doctors weighed in across 4 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question