Answer:
Incidence rate per 1,000 = A (No. of new cases of a disease occurring in the population during a specified period of time )/ B (No. of persons who are at risk of developing the disease during that period of time) -X 1,000
From the question..
A= 2.2% ×20000 + 50 = 490
B= 20000
Incidence rate = 490/ 20000 × 1000
= 24.5
Explanation:
Morbidity- Measures Incidence is always calculated for a given period of time
