2024年9月18日 · Understanding the stages of the flu—including the signs and symptoms that are likely to develop—can help you determine if you are recovering as you should. It can also help …

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. Influenza A viruses are the only influenza viruses known to cause flu pandemics (i.e., global epidemics of flu disease).

2025年1月23日 · Three types of flu viruses affect humans: types A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, …

2022年10月11日 · What is the flu (influenza)? The flu is an illness you get from the influenza virus. It causes symptoms like head and body aches, sore throat, fever and respiratory symptoms, which can be severe. Flu is most common in winter months, when many people can get sick at once (an epidemic).

2025年1月28日 · 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 the "stomach flu" viruses that cause diarrhea and vomiting. Most people with the flu …

2025年2月28日 · Influenza spreads easily between people when they cough or sneeze. Vaccination is the best way to prevent the disease. Symptoms of influenza include acute onset of fever, cough, sore throat, body aches and fatigue. Treatment should aim to relieve symptoms. People with the flu should rest and drink plenty of liquids.

Influenza, commonly known as the flu, is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about two to eight days.

流行性感冒通常称为流感，是一种病毒感染，会影响您的肺和气道。 流感症状有点像普通感冒，但更重度。 是什么导致了流感？ 美国的流感季节从11月持续到次年3月。 每年都有数百万人感染流感，导致数千人死亡。 流感病毒每年都会发生一点变化。 这些变化可能会引起问题： 有时，流感病毒的变化使其传播可能性和致命性更高。 这种情况每数百年发生几次，并在世界范围内引起恐怖的流感大流行。 这些大流行病使全世界数百万人丧生。 幸运的是，由于病毒不断变化，因此 …

2025年3月7日 · Influenza (the flu) is a common, infectious virus spread by droplets that enter another person’s body. From there, the virus takes hold and begins to develop.

2023年8月28日 · It's a super-contagious virus that can make you feel miserable. Doctors call it influenza. Its symptoms are usually more serious than the sneezes and stuffy nose that you tend to get from a common...