May 28, 2021 · H3N2 is a strain of influenza A. It can have a more severe impact than other flu strains. Learn about recent outbreaks, outlook, prevention, and more.

Mar 28, 2025 · H3N2 is one subtype of the influenza A virus that often causes significant illness. Flu seasons are often more severe when H3N2 is the dominant strain causing illness. Symptoms are similar no matter what strain of influenza is circulating each year.

H3N2 influenza viruses pre-dominated during 3 of the last 5 quite severe influenza seasons. During the 2016/2017 flu season, the H3N2 component of the influenza vaccine exhibited a poor protective efficacy (∼28–42%) against preventing infection of co-circulating strains.

We review the emergence, progression, clinical course, etiology, epidemiology, and treatment of the 1968 pandemic and highlight the short- and long-term impact associated with A (H3N2) viruses.

Influenza A virus subtype H3N2 (A/H3N2) is a subtype of influenza A virus (IAV). Some human-adapted strains of A/H3N2 are endemic in humans and are one cause of seasonal influenza (flu). [1] Other strains of H1N1 are endemic in pigs (swine influenza) and in birds (avian influenza). [2]

Sep 13, 2023 · What is the H3N2 flu? Read on to learn more about this strain of flu, including previous outbreaks, symptoms, treatment options, and prevention tips.

This is the first influenza A (H3N2)v virus identified in the United States in 2021. Since 2005, a total of 485 influenza variant virus human infections caused by all subtypes including 437 human infections with A (H3N2)v, including this one, have been reported in the United States.

Mar 14, 2023 · H3N2 is a dangerous variant of swine flu. Experts explain signs, symptoms, treatment options, and prevention for H3N2. Plus, if the flu vaccine protects against it.

At least two people have succumbed to the H3N2 subtype of seasonal influenza in India, as confirmed by the Health Ministry confirmed as of March 10, 2023. So far, countrywide surveillance has found at least 451 confirmed cases of H3N2 this year.

Jan 3, 2025 · This review comprehensively examines the virological characteristics, evolutionary trends, and global epidemiology of the Influenza A (H3N2) virus. It delves into vaccination strategies, antiviral interventions, and emerging diagnostic approaches.