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Flu Season 2021: What You Need to Know

flu season 2021: what you need to know, man couging

What is Influenza (Flu)? Influenza, more commonly known as the flu, is caused by influenza viruses. “The flu” and “influenza” are generally used as umbrella terms for four subtypes of the influenza virus: A, B, C, and D. Influenza A and B are the most common in humans, with Influenza A generally being the most diverse and prevalent, as it can infect a number of animal species in addition to humans. Since it can infect numerous hosts, the capability for a mutation to develop and create a new … Read more