Influenza, commonly known as the flu, is a highly contagious respiratory illness caused by influenza viruses. Understanding the contagious period of the flu is crucial for preventing its spread and protecting yourself and those around you. how long is the flu contagious The flu virus can spread through respiratory droplets when an infected person coughs, sneezes, or talks. It can also spread by touching surfaces or objects that have the virus on them and then touching the mouth, nose, or eyes.
The contagious period of the flu typically begins one day before symptoms develop and can last for up to seven days after becoming sick. This means that you can spread the flu to others before you even realize you are infected. Children and people with weakened immune systems might be contagious for even longer.
It's important to note that some individuals, especially young children and people with weakened immune systems, may remain contagious for a longer duration. On the other hand, adults with strong immune systems might be contagious for a shorter time.
