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Tcecarenko [31]
3 years ago
9

A local epidemiologist is trying to find the attack rate in two communities ravaged by a Measles outbreak. Community A has 892 m

embers, NO citizens have received the MMR (Measles, Mumps, and Rubella) vaccine due to personal beliefs and financial reasons. 486 cases have been reported in Community A.
Community B is a larger community with 10,000 people. 95% of the citizens have the MMR vaccine (assume for this example the vaccine has 100% effectiveness, it doesn't in reality). 208 cases have been reported in the Community B outbreak.

Please help the epidemiologist and find out the Attack Rate for the Community A and Community B outbreaks.
Health
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer:

Overall attack rate is calculated by dividing the number of infected individuals by the total population.

Explanation:

Attack rate = Number of infected or ill persons × 100

__________________________

Total population

Attack rate in community A:

486 × 100

___

892

= 54.5%.

Attack rate in community B

208 × 100

___

10000

= 2.08%.

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