H3N2 Influenza Virus Symptoms in Adults vs Children: Key Differences
Influenza, commonly referred to as the flu, is a contagious respiratory illness caused by influenza viruses. Among its many strains, H3N2 is particularly notable for causing significant seasonal outbreaks and severe symptoms, especially in vulnerable populations. Understanding H3N2 influenza virus symptoms and how they differ between adults and children is crucial for early detection, timely treatment, and effective prevention.
What is the H3N2 Influenza Virus?
H3N2 is a subtype of the Influenza A virus. It is characterized by its surface proteins—hemagglutinin (H3) and neuraminidase (N2)—which play a vital role in the virus's ability to infect human cells. H3N2 viruses are responsible for seasonal flu epidemics worldwide and can mutate frequently, which is why flu vaccines are updat...




