Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. Learn about flu, including symptoms, prevention methods, and treatment options.

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 you figure out if you are still contagious and able to infect others. Day 0 …

2025年1月17日 · Flu can be serious and can lead to hospitalization and death. Longstanding social and structural factors can contribute to preventable differences in flu-related health outcomes. Preventable difference in burden of severe flu outcomes has been observed among various groups, particularly by race and ethnicity.

2024年9月17日 · Flu vaccines cause antibodies to develop in the body about two weeks after vaccination. These antibodies provide protection against flu illness. Seasonal flu vaccines are designed to protect against the influenza viruses that research indicates will be most common during the upcoming season.

2024年3月22日 · What is Influenza (Flu)? Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to …

2025年2月27日 · 2. Despite high flu cases, vaccine this season looks overall like a good match. Early season laboratory testing by the CDC suggested this year’s flu vaccine was 100% match for the strain ...

2025年2月12日 · Avian influenza A, or bird flu, is a virus that typically spreads among birds. The subtype of this virus currently spreading is called H5N1. It is typically found in wild birds–like duck, geese and swans–and poultry, like chickens and turkeys used for food production.

2 天之前 · The risk that bird flu poses to the general public is low, according to the CDC, but a major focus of OPPR’s efforts had been to ready the nation to respond in the event the virus changed or ...

2025年1月9日 · Spotting flu symptoms early is key. Look out for fever, cough, sore throat, and body aches that can sap your energy. Kids and those who are vulnerable are at higher risk, so staying alert and taking care is vital. The upcoming flu season looks complex. We’re looking at the latest CDC forecasts and vaccination plans.

2025年2月14日 · About 7.7% of patients who visited clinics and hospitals without being admitted had flu-like symptoms in early February, a ratio higher than in four other flu seasons depicted in the graph. That includes 2003-04, when an atypical strain of flu fueled a particularly treacherous season that killed at least 153 children.