Related terms:
currently endemic in both human
pandemic threat
currently circulating
fully recovered
flu viruses
human flu
hong kong flu
spanish flu
sialic acid
human influenza
influenza viruses
influenza a virus
bird flu
avian flu
influenza vaccine
influenzavirus
hemagglutinin
subtypes
Wikipedia sources:
Influenza pandemic
Human flu
Influenza A virus
Context for words:
both
human
and
pig
populations
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