1 All Physician and Physician Pro Bono licenses expire on April 30 of odd-numbered years. 2  All Physician Training licenses expire on August 31, 2015, are good for three years, and can only renew once (for a total of six years).  All Physician Assistant licenses expire on January 31 of even-numbered years.
Food-borne illness often shows itself as flu-like symptoms such as nausea, vomiting, diarrhea, or fever, so many people may not recognize the illness is caused by bacteria or other pathogens on food. Thousands of types of bacteria are naturally present in our environment.Not all bacteria cause disease in humans.or example, some bacteria are used beneficially in making cheese and yogurt. Bacteria that cause disease are called âpathogens.â When certain pathogens enter the food supply, they can cause food-borne illness. Only a few types cause millions of cases of food-borne illness each year.
An infectious disease is any disease caused by a pathogen (germ) such as a virus, bacteria, parasite, or fungus. Although we will mostly discuss infectious diseases in people on this page, other living organisms such as animals, plants, and microorganisms can all be made ill by an infectious disease.Pathogens.athogen is the scientific name for germ.. Infectious diseases are caused by pathogens. When your mom says to wash your hands because of germs, she wants you to get all the pathogens off your hands so they won't go into your mouth and body.