The flu, or influenza, can be contagious for up to two weeks after symptoms appear. The virus is most contagious in the first three to four days of infection, but some people may be contagious for a week or longer. The virus can spread through contact with an infected person or through the air by coughing and sneezing.
How Is the Flu Spread?
The flu is caused by a virus that is spread from person to person. It can be spread by coughing, sneezing, or even talking. The virus can stay in the air for several hours, so it can be spread even if an infected person is not in the same room as someone else. It can also be spread by touching objects that have been contaminated with the virus.
Who Is at Risk of Getting the Flu?
Anyone can get the flu, but some people are more likely to develop serious complications from the virus, such as pregnant women, young children, older adults, and people with chronic medical conditions. It's important to get the flu vaccine to help protect yourself and others from the virus.
What Are the Symptoms of the Flu?
The most common symptoms of the flu include fever, chills, body aches, fatigue, and a dry cough. Other symptoms may include a sore throat, stuffy or runny nose, headaches, and diarrhea. Symptoms can last one to two weeks.
How Can I Prevent the Flu?
The best way to prevent the flu is to get the flu vaccine every year. It's also important to practice good hygiene, such as washing your hands often and avoiding close contact with people who are sick.