N.P. Colds and flu are caused by viruses and have similar symptoms.
Colds are upper respiratory viral infections.
Symptoms include a stuffy, runny nose, sore throat and sometimes, an elevated temperature. Viruses, a type of germ, cause both colds and flu. Viruses are everywhere. They most often travel as airborne particles from a sneeze or cough. They can be transmitted easily, washing your hands and covering your mouth and nose can help to prevent the spread.