Types of Influenza Viruses | Influenza (Flu) | CDC
2024年9月18日 · 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 United States.
Different Types of Flu: Influenza A, B, C and more - WebMD
2023年9月9日 · There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high...
Influenza - Wikipedia
There are four types of influenza virus: types A, B, C, and D. Aquatic birds are the primary source of influenza A virus (IAV), which is also widespread in various mammals, including humans and pigs. Influenza B virus (IBV) and influenza C virus (ICV) primarily infect humans, and influenza D virus (IDV) is found in cattle and pigs.
Flu (Influenza): Causes, Symptoms, Types & Treatment
2022年10月11日 · Influenza A, B and C are the most common types that infect people. Influenza A and B are seasonal (most people get them in the winter) and have more severe symptoms. Influenza C doesn’t cause severe symptoms and it’s not seasonal — the number of cases stays about the same throughout the year.
Influenza (Seasonal) - World Health Organization (WHO)
2023年10月3日 · 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 proteins on the surface of the virus.
Influenza A vs. B: What to Know About the Different Types of Flu
2024年7月23日 · There are different types and subtypes of flu. We’ll take a look at influenza A vs. B in terms of prevalence, how contagious they are, what the vaccine covers, and severity and recovery.
Understanding the Different Types of Flu - Verywell Health
2023年8月2日 · Influenza is a respiratory infection caused by one of four different virus types: A, B, C, and D. Influenza is common worldwide, but only influenza types A and B cause seasonal epidemics.
Influenza - StatPearls - NCBI Bookshelf
2023年1月23日 · There are four types of influenza viruses, A, B, C, and D. Influenza types A and B cause human infection annually during the epidemic season. Influenza A has several subtypes according to the combination of hemagglutinin (H) and the neuraminidase (N) proteins that are expressed on the surface of the viruses.
Understanding the Different Types of Flu - Cleveland Clinic Health ...
2023年9月26日 · There are three types of flu viruses that affect people. They’re known as influenza viruses A, B and C. Influenza A and influenza B viruses are the heavy hitters. They’re the ones that cause the most severe illness and lead to widespread outbreaks. Influenza C viruses cause mild illnesses in people.
About Influenza | Influenza (Flu) | CDC - Centers for Disease …
Flu A viruses can be broken down into sub-types depending on the genes that make up the surface proteins. Over the course of a flu season, different types (A & B) and subtypes (only for flu A) of flu circulate and cause illness. Types of Flu Viruses Flu A and B viruses are responsible for seasonal flu epidemics more commonly known as the flu ...
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