H3N2
H3N2 is one of two subtypes currently circulating in humans. It entered the human population in 1968 and replaced H2N2.
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Controlling Infectious Diseases »Controlling Infectious Diseases
Diseases »Diseases
Influenza »Influenza
Background about Flu »Background about Flu
Types of Flu? »Types of Flu?
Influenza virus type A »Influenza virus type A
Subtypes of Influenza virus type A »Subtypes of Influenza virus type A
H3N2
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