Diseases that suddenly become more prevalent are referred to as ________ diseases.
D) common source
A disease present at a constant low level in a population is described as
B) common source.
Pasteurization of milk is a process that reduces bacterial levels and is an example of a disease control measure aimed at
A) preventing host-to-host transmission.
B) controlling the disease vector.
C) preventing common source diseases.
D) eliminating the disease reservoir.
ʺTyphoid Maryʺ is an example of a ________, because she was infected by the causative agent for typhoid fever yet was asymptomatic.