Influenza, commonly known as the flu, is caused by the influenza virus. There are three types of influenza viruses: A, B, and C. Influenza A and B viruses are responsible for most seasonal flu epidemics, while influenza C virus causes…
A runny nose is a common symptom of many illnesses, including allergies, colds, and flu. It can be uncomfortable and annoying, making it difficult to breathe and causing frequent nose blowing. While a runny nose can be a nuisance, it…
Are you one of the fifty million people in the United States who suffer from allergies? If you suffer from seasonal allergies, you probably approach each new allergy season with a certain amount of dread. An allergic reaction brought on…
Your immune system is in charge of protecting your body from harmful pathogens such as bacteria and viruses. There are situations in which your immune system will mount a defense against substances that generally do not pose a danger to…
