Which influenza strain was isolated in 1989 spreading to many other countries?
Correct Answer: H1N1
Description: In 1989, epidemic - the reappearance of swine HINI virus Influenza can occur sporadically, as epidemics or pandemics In 2009, H1N1 Epidemic occurred in Mexico-recent Ref: Baveja 5th ed Pg: 468
Category:
Microbiology
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