Infectious Diseases are generally caused by microbes called pathogens that enter into the body and prevents it from functioning properly. Infections are caused by bacteria, which can be airborne or blood-borne, or from viruses, which are typically airborne or by contact with a carrier or fomite. (A fomite is an object upon which viruses or bacteria can live for a short period of time.)
Depending on the disease it can be caused by any of the following types of infectious organisms: bacteria, fungi, protozoa, parasites, rickettsia, viruses. It is also believed that certain types of defective proteins called prions, although they are not organisms, are the cause of some Infectious Diseases.
infectious and vector diseases and natural causes.
Pathogen
cardiovascular diseases, cancers, pulmonary diseases, cirrhosis, infectious diseases
Infectious diseases involve a causative organism, from groups such as bacteria, viruses, fungi, and such. Noninfectious diseases involve causes other than specific infectious organisms.
flu
Poor sanitation, lack of hygiene, and bad diets.
Depending on the country; but generally: cardiovascular diseases, cancers, infectious diseases, accidents, etc.
It causes infectious diseases... and is it a bad for the animals and the wold and the humans and entire too
Certain pathogens enter and multiply within the human body.. (:
Clinical Infectious Diseases was created in 1979.
The Journal of Infectious Diseases was created in 1904.
Any communicable disease is an infectious disease. See "Infectious and no Infectious Diseases what is the difference?" question .Common Cold Common cold and AIDS both are infectious diseases unless you take necessary precautions.