WebThe flu is an infection of the nose, throat, and lungs. It spreads easily from person to person. This article discusses influenza types A and B. A type of influenza A infection due to the H1N1 influenza strain is commonly … WebJul 5, 2024 · Influenza (the flu) is a viral infection that involves the nose, throat, and lungs. Not everyone who gets the flu will have the same symptoms. How sick someone feels—and how long they feel …
Type A Influenza: Symptoms, Treatment, and Prevention - Healthline
WebBefore the H1N1 pandemic in 2009, the influenza A (H1N1) virus had never been identified as a cause of infections in people. Genetic analyses of this virus have shown that it originated from animal influenza viruses and is unrelated to the human seasonal H1N1 viruses that have been in general circulation among people since 1977. WebMar 26, 2024 · Influenza — commonly known as the flu — is a respiratory infection caused by flu viruses. There are three main types of influenza: A, B, and C. Types A and B are similar, but influenza B can ... ofira and berkovich
China records world
WebFeb 15, 2024 · Flu (influenza) is a common infectious viral illness spread by coughs and sneezes. It can be very unpleasant, but you'll usually begin to feel better within about a week. You can catch flu all year round, but it's especially common in winter, which is why it's also known as seasonal flu. Flu isn't the same as the common cold. WebJun 14, 2024 · First, flu viruses change and the flu vaccine is updated each year to target the flu viruses that are anticipated to spread that year. Second, the protection you get from a flu vaccine lessens with time, especially in older adults. Getting your flu vaccine every fall gives you the best protection from that year's flu viruses. WebMay 26, 2024 · The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. Sometimes it causes mild illness. But it can also be serious or even deadly, especially for people over 65, newborn babies, and people with certain chronic illnesses. What causes the flu? ofir adresse