2018年12月21日 · Type A influenza is a common infection that can cause widespread flu outbreaks. It can cause fever, body aches, chills, fatigue, and other symptoms. Influenza — also known as the...

2025年1月22日 · “In children, influenza A is associated with more ear infections than influenza B, while influenza B is associated with more seizures, vomiting and diarrhea than influenza type A,” says Dr. Mossad. But the single most important difference is this: Influenza B flu only infects humans. Influenza A, on the other hand, can infect birds and mammals.

2024年8月26日 · Flu symptoms usually come on suddenly. People who have flu often feel some or all of these signs and symptoms: some people may have vomiting and diarrhea, though this is more common in children than adults. *It's important to note that not everyone with flu will have a fever. Keep Reading: Signs and Symptoms of Flu.

2024年11月25日 · You'll likely have symptoms that affect your nose, throat, and lungs—such as fever, cough, fatigue, chills, and body aches. Influenza A is typically not dangerous. Infants,...

2019年10月15日 · 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.

2025年2月3日 · Flu A is generally more severe, Ray says, and only influenza A has been known to cause pandemics — including the 1918 flu pandemic. Unlike type A, influenza B only infects humans, he explains ...

Symptoms of Flu Type A in children can appear suddenly and may include: Fever (often high) Chills and body aches; Cough (dry or productive) Runny or stuffy nose; Sore throat; Headache; Fatigue or extreme tiredness; Loss of appetite; Vomiting and …

2025年1月28日 · Symptoms of the flu such as a sore throat and a runny or stuffy nose are common. You may also get these symptoms with other illness such as a cold. But colds tend to start slowly, and the flu tends to come on quickly, within two or three days after you come in contact with the virus.

2022年10月11日 · Symptoms often include fever, head and body aches, coughing and a stuffy or runny nose. You’re at risk for serious complications if you have an underlying health condition or are pregnant. Getting vaccinated every year is the best way to avoid getting sick with the flu. The flu, common cold and COVID-19 have similar symptoms.

2022年6月20日 · What Are the Symptoms of Flu A? Unlike a common cold, the flu usually has a sudden onset of symptoms. The following are common symptoms of influenza infection: Coughing. Sneezing. A stuffy or runny nose. Body ache. Fever. Sore throat. Fatigue.