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Flashcards in infectious disease and population Deck (4)
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1
Q

define R0 value

A

the rate of infection from one infected person to other(s)

2
Q

what would and R0 value of 2 indicate?

A

that one infected person will infect 2 healthy people

3
Q

define herd immunity

A

when enough of a populate is immune to stop the spread of the disease from an infected person to a healthy but non-immune person

4
Q

is the critical value for the achievement of herd immunity constant

A

NO. it varies depending on the population, environment and type of disease