Twelve new cases of the measles have been diagnosed last week in a par

Twelve new cases of the measles have been diagnosed last week in a particular county. In that same county, 20 children are currently under treatment for the measles.

Twelve new cases of the measles have been diagnosed last week in a particular county. In that same county, 20 children are currently under treatment for the measles. What should the population nurse identify as being the incidence rate of the measles infection?
1. 8.
2. 12.
3. 20.
4. Unknown.

ESSAYBID ANSWER

Answer: 2
Explanation: 2. Incidence rates indicate the number of new cases of the condition identified over a period. Prevalence rates indicate the total number of cases of a particular condition at any given time.