What causes the flu and what causes a cold? Colds and flu are both respiratory illnesses, but are caused by different viruses. “Colds are primarily caused by viruses, with rhinovirus being the most ...

The winter months bring an increase in respiratory illnesses, leaving many people wondering whether their symptoms indicate a common cold or influenza. While both conditions affect the respiratory ...

Add Yahoo as a preferred source to see more of our stories on Google. Sneezing? Feeling congested? Coughing? Are these signs of flu season, a cold or allergies, or are they symptoms of COVID-19? What ...

Coronavirus disease 2019 (COVID-19) can cause many of the same symptoms as the common cold, seasonal allergies and the flu. So how can you tell if you have COVID-19? It may help to learn about the ...