The flu incubation period is "a big reason why the flu is so easily spread," Kathryn Boling, MD, a family medicine specialist at Mercy Personal Physicians at Lutherville in Maryland, told Health.

How long are you contagious after getting COVID, flu, RSV, pneumonia, the norovirus stomach bug and more? Here's what to know to keep others safe this holiday season.

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C ...

Influenza, or the flu, is a contagious respiratory virus. It can be a severe illness that affects the nose, throat and sometimes lungs. Symptoms of influenza are sore throat, cough, congestion ...

How long are you contagious after getting COVID, flu, RSV, pneumonia, the norovirus stomach bug and more? Here's what to know to keep others safe this holiday season.

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C ...

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C ...

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C ...

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C ...

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C.

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C ...