Dec 21, 2018 · Type A influenza can cause symptoms such as fever, body aches, and fatigue. Unlike type B influenza, type A viruses mutate rapidly, increasing the risk of pandemics, and can infect both …

Oct 19, 2025 · Influenza A often causes fever, cough, and fatigue. This highly contagious virus primarily affects the respiratory system, including your nose, throat, and lungs.

Sep 26, 2025 · There are four types of influenza viruses: A, B, C, and D. Influenza A and B viruses cause seasonal epidemics of disease in people (known as flu season) almost every winter in the …

Dec 19, 2025 · Overview Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are different from …

3 days ago · As flu cases rise across the U.S., those who end up contracting the virus have treatments available that may help reduce duration of symptoms or severity of illness.

Nov 28, 2025 · Influenza A H1N1, virus that is best known for causing widespread outbreaks, including epidemics and pandemics, of acute upper or lower respiratory tract infection. The influenza A H1N1 …

Oct 15, 2019 · Influenza A is a common type of the flu virus. Here, we discuss its symptoms and how to treat and prevent this highly contagious virus.

3 days ago · The new variant of Influenza A, or H3N2, has been given the nickname 'super flu.' The fast-spreading virus has caused hospitalizations to nearly double in a week, the CDC reported.

Jun 9, 2025 · This article will explore the influenza A symptoms in adults as well as children, setting the stage for further discussion on its diagnosis, treatment, and prevention strategies. Causes of …

4 days ago · Flu season is off to a rough start this year, according to new CDC data. The virus is spreading faster than in previous years and the surge is likely to get worse. Here's what you need to …