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Infectious Disease. (No, I am not being sarcastic) The study of disease is called pathology. The study of , say, the infectious disease Hepatitis would be under Hepatology. (Study of the liver and diseases involving the liver) The study of viruses would be called "virology".
House has a double specialty in infectious disease and nephrology.
By studying Infectious Diseases we learn how they are incubated, growth of the disease, how they are spread, and what drugs or treatments are useful in treating them. By doing this we can hope to reduce suffering and perhaps eradicate the disease.
An expert on influenza is called a virologist or an infectious disease specialist. These individuals study the virus, its transmission, and develop strategies for prevention and treatment.
Toxicology
There are many scientists that study the spread of infectious diseases (called epidemiology), and in the United States the CDC (Center for Disease Control) is the central reporting agency.
Immunize is the medical term meaning to make resistant to an infectious disease using agents related to the immune system. Prophylax is the medical term meaning giving medication or treatment to prevent disease.
Epidemiology is the branch of medical science dealing with the transmission and control of disease.
That branch of science which treats of epidemics.
Real doctors such as the fictional doctor House do not study rare diseases they diagnose disease that may have multiple causes so they can be correctly treated. They are called diagnosticians.
Anytime the human body resists a bacterial disease, it is with the immune system that it does this with.
alomost none people mostly make stuff up about it but iff you want an infectious disease or such be my guest its harmless because the disease cells or such are mostly dead and weak its like training your immune system or having it study the disease or such first hand