WebJan 12, 2024 · There are 4 types of influenza viruses, types A, B, C and D. Influenza A and B viruses circulate and cause seasonal epidemics of disease. Influenza A viruses are further classified into subtypes according to the combinations of the hemagglutinin (HA) and the neuraminidase (NA), the proteins on the surface of the virus. WebOct 1, 2024 · The flu—or influenza—is a highly contagious respiratory virus caused by one of three different virus types: influenza A, B, or C. The main way that illnesses like colds and the flu spread from person to …
Influenza (flu) - Symptoms and causes - Mayo Clinic
WebSep 8, 2024 · There are three different types of flu viruses that affect humans: type A, type B, and type C.(There’s a fourth, type D, that doesn’t affect humans.) Animals and humans can contract type A flu ... WebJan 10, 2024 · There are four types of influenza virus.. Influenza A . Influenza A viruses cause seasonal flu epidemics practically every year in the United States. They can infect … development of media in india pdf
What Is the Incubation Period for the Flu This Year? - Verywell …
WebOct 11, 2024 · Key Takeaways. The incubation period for the flu is the time between when a person is infected and when they start feeling sick. The incubation time for the flu ranges from 1 to 4 days, with an average of 2 days. Experts are predicting a more severe flu season in 2024, but getting a flu vaccine and taking antivirals soon after you get sick can ... WebOct 15, 2024 · Common symptoms of the flu include: Fever. Aching muscles. Chills and sweats. Headache. Dry, persistent cough. Shortness of breath. Tiredness and … WebOct 5, 2024 · There are four types of flu viruses, but the two that cause illness in humans most commonly are influenza A and influenza B. Both cause the same flu symptoms including a runny nose, coughing, fever, and body aches. 1 This article will outline flu B symptoms and the difference from other flu strains. churches in prairie grove ar