Infectious disease

Topographic

Topographic

by bodily region or system ex: gastrointestinal disease, vascular diseas

Anatomic

by organ or tissue ex: heart disease, liver disease

physiological

by function or effect ex: respiratory disease, metabolic disease

pathological

by nature of the disease process ex: neoplastic disease, inflammatory disease

etiological

by causal factors ex: infectious, genetic, environmental, lifestyle

juristic

epidemiological/statistical

by time and location of occurrence ex: pandemic, epidemic

communicable vs contagious

communicable: can pass from organism to organism, contagious is specifically human to human

non-communicable diseases

Not transmitted through contact with an infected or afflicted person (but include neonatal disease)

Indirect transmission

aerosols, fecal-oral transmission, fomites (soiled/contaminated objects)

non contagious infections

zoonotic, waterborn, and vector borne

Agents that cause infectious disease

viruses, bacteria, fungi, protozoa, and helminth

mortality

death

morbidity

how disease interferes with life

disparity

how a disease affects two diff places differently

3 diseases with highest death tolls

bubonic plague, smallpox, spanish flu

Disease X

Unknown possible disease

Biological warefare

The use of disease/chemicals as a weapon against humanity

Geneva Protocol

Treaty prohibiting the use of biological weapons in war

Biological weapons convention

Treaty banning the use and production of biological weapons

Eradication vs elimination

eradication: no cases of the disease affecting the human population (smallpox)

elimination: reduction of a disease in specific geographic area (measles, polio)