Epidemiology of Communicable Diseases Flashcards
(7 cards)
1
Q
Define Infections?
A
Entry, development & multiplication of infectious agent in body of man/animal.
2
Q
Define communicable disease?
A
Disease caused by infectious agent/its toxic product which can be transmitted directly/indirectly/through vector from reservoir —> susceptible host.
3
Q
Define epidemic?
A
Occurrence of group of illnesses of similar nature in community, in excess of its normal expectancy.
4
Q
Define endemic?
A
Disease that has established itself permanently in certain locality.
5
Q
Define pandemic?
A
Appearance of disease in epidemic form affecting countries at the same time.
6
Q
Define outbreak?
A
localized epidemic affecting certain group in community.
7
Q
Define sporadic?
A
Scattered cases that occur irregularly from time to time.
