What is the Flu?
The flu is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. The best way to prevent the flu is to get vaccinated each year.
How Do People Get the Flu?
People can get the flu by coming into contact with an infected person or by touching an infected surface, such as a doorknob or countertop. The flu virus can be spread through the air when an infected person coughs or sneezes. It can also be spread by people who don't have symptoms but are still infected.
Who is at Risk of Getting the Flu?
Anyone can get the flu, but some people are at higher risk of serious complications. These include people 65 years and older, young children, pregnant women, and people with certain chronic medical conditions, such as asthma, diabetes, and heart disease.
What are the Symptoms of the Flu?
Symptoms of the flu can include fever, chills, body aches, headache, sore throat, runny nose, and fatigue. Some people may also have vomiting and diarrhea, though these are more common in children than adults.
When Should Someone Seek Medical Care for the Flu?
It's important to seek medical care if you or a family member is experiencing any of the following symptoms: difficulty breathing, confusion, severe or persistent vomiting, inability to keep liquids down, or if symptoms improve but then worsen again. People at high risk of serious complications should seek medical care as soon as possible.