Biological hazards include : epidemics, pandemics, zoonotics, army worms, pest infestations etc...

An epidemic is the unusual increase in the number of cases of an infectious disease which already exists in a certain region or population. It can also refer to the appearance of a significant number of cases of an infectious disease in a region or population that is usually free from that disease.

Epidemics may be the consequence of disasters of another kind, such as tropical storms, floods, earthquakes, droughts, etc. Epidemics may also attack animals, causing local economic disasters - IFRC. Common epidemics globally include Avian Flu, Cholera, Dengue fever, Ebola and Marburg, Malaria, Measles, Meningococcal Meningitis, Yellow fever, HIV/AIDS, Tuberculosis.

Army Worm Attacking Maize

Army Worm Attacking Maize