diseases
, Definitions
Infectious diseases: diseases that are caused by
pathogens and can be transmitted from one
organism to other.
disease carrier: A person who carries a pathogen
for an infectious disease, but has no symptoms.
transmission cycle: how a pathogen is transmitted
from one organism to another
Endemic:a disease that is always in a population
Pendemic:is when there is an increase in the
number of cases through out a continent or across
the world