Biología, pregunta formulada por davidalejandrorivill, hace 2 meses

62. What type of microorganism causes the flu?​

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Contestado por lenny8421
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Human influenza A and B viruses cause a seasonal epidemic of illness (known as influenza season) nearly every winter in the United States. Influenza A viruses are the only viruses known to cause pandemics, such as epidemics of influenza, worldwide.

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