Influenza virus vaccine is also available in an injectable form, which is a "killed virus" vaccine. This medication guide addresses only the nasal spray form of this vaccine.
 

Penicillin and related antibiotics are effective for treating bacterial infections. But if you have a penicillin allergy, taking these drugs can be dangerous.
 

It is very important to wash your hands after collecting the sample, to avoid spreading a possible infection to others.

A balanced immune system is one that does not over-respond or under-respond to a challenge. When the immune system under-reacts to an external challenge, we become susceptible to infection; when it fails to recognize an internal threat we are susceptible to cancer.

When you have a food allergy, your body thinks certain foods are trying to harm you. Your body fights back by setting off an allergic reaction. In most cases, the symptoms are mild—a rash, a stuffy nose, or an upset stomach.

The history of antimalarial medicine has been marked by a constant struggle between evolving drug-resistant parasites and the search for new drug formulations.