Dear A.T.R.: Both colds and influenza (the "flu") are respiratory illnesses that are caused by viruses. Influenza is caused ...

ANSWER: Both colds and influenza (the “flu”) are respiratory illnesses that are caused by viruses. Influenza is caused specifically by the influenza viruses, which come in two main types (A and B).

Flu, COVID-19, the common cold and RSV have similarities, but they differ in their severity, contagiousness and symptoms.

ANSWER: Both colds and influenza (the "flu") are respiratory illnesses that are caused by viruses. Influenza is caused ...

Colds and the flu are two incredibly common respiratory infections. Each calendar year, the average American adult gets around two to three colds, while approximately 8% of the population catches the ...

Every year, as temperatures drop, sneezing, coughing, and fever become commonplace. But what many dismiss as just another seasonal nuisance can sometimes be something far more serious. The common cold ...

As of October 2025, the predominant covid-19 strains circulating are the Omicron subvariants XFG, known as "Stratus," and NB.

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same. There are some notable differences between flu A and flu B strains. On ...

Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. It can range from mild ...

Influenza, commonly known as the flu, is a contagious respiratory illness caused by the influenza virus. According to the Centers for Disease Control and Prevention (CDC), there are four types of flu ...

Flu A and flu B are the most common strains of the flu that circulate in humans. The U.S. is currently in the middle of flu season, with a high number of cases reported across the country. There are ...