Certain pathogens enter and multiply within the human body.. (:
It causes infectious diseases... and is it a bad for the animals and the wold and the humans and entire too
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.
There are many infectious diseases that can affect animals, some of these may be passed on to humans (zoonotic diseases). Infectious disease may be caused by; bacteria, viruses, protozoa, parasites and many other classes of pathogens.
Depending on the country; but generally: cardiovascular diseases, cancers, infectious diseases, accidents, etc.
The Journal of Infectious Diseases was created in 1904.
Emerging Infectious Diseases was created in 1995.
Clinical Infectious Diseases was created in 1979.