3 ms·

http://www.ncbi.nlm.nih.gov/genomes/FLU/FLU.html http://www.ncbi.nlm.nih.gov/genomes/FLU/FLU.html There are literally thousands of strains that have been seque

http://www.ncbi.nlm.nih.gov/genomes/FLU/FLU.html http://www.ncbi.nlm.nih.gov/genomes/FLU/FLU.html There are literally thousands of strains that have been sequenced.