What are the common causes of disease

common causes are like fever, coughing, physical pain, bleeding

These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.

Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.

dr. khan operated on abdul’s left knee, he required a signature from abdul’s orthopedist confirming that the knee required the operation. the orthopedist’s written approval is a form of