influenssasta

Influenssa, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. These viruses infect the nose, throat, and sometimes the lungs. While many people experience mild flu symptoms, it can lead to severe complications and even death, especially in vulnerable populations like young children, the elderly, pregnant women, and individuals with chronic health conditions.

The flu is spread primarily through respiratory droplets produced when an infected person coughs, sneezes, or talks. These droplets can land in the mouths or noses of people nearby or be inhaled into the lungs. Less often, a person might get flu by touching a surface or object that has the flu virus on it and then touching their own mouth, nose, or eyes.

Symptoms typically appear suddenly and can include fever, cough, sore throat, runny or stuffy nose, muscle or body aches, headaches, and fatigue. Some people, particularly children, may also experience vomiting and diarrhea. Most people recover from the flu within a few days to less than two weeks, but some may develop complications such as pneumonia, bronchitis, sinus infections, and ear infections.

Prevention is key to managing influenza. The most effective way to prevent the flu is by getting an annual flu vaccination. Good hygiene practices, such as frequent handwashing with soap and water, covering coughs and sneezes, and avoiding close contact with sick people, also play a crucial role in limiting the spread of the virus. Antiviral drugs can be prescribed to treat influenza, and they work best when started within 48 hours of symptom onset.