limonnjuanita
limonnjuanita
19-03-2020
Medicine
contestada
How do flu pandemics occur?
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magali84
magali84
19-03-2020
Occurs when a new influenza virus emerges spreads and causes disease worldwide
Also occur when a host cell is simultaneously infected with two influenza A viruses
Answer Link
Soangelo19
Soangelo19
20-03-2020
Answer:
Occurs when a new influenza virus emerges spreads and causes disease worldwide.
Answer Link
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