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H3N2

What You Should Know About H3N2 Flu?

H3N2 Flu is a subtype of influenza A.

Although they are multiple types of influenza, only influenza A is further broken down into subtypes.

These subtypes are actually broken down even further as they are identified by the World Health Organization (WHO) based on:

❗️Host of origin (type of animal in which virus was first identified - swine, bird, etc.; for human origin, no host is listed)

❗️Geographical origin (location/city in which virus was first isolated)

❗️Strain number

❗️Year of isolation

Each year there are variants of influenza that cause illness during flu season. The virus mutates, making it difficult to predict which one will make people sick each year or even how severe the season will be.

What To Expect From H3N2

No matter what, you need to know what to expect from the flu. Whether it is caused by H3N2 influenza A or anothe