9. In a community of 800 households (population 4320), public health authorities found 120 persons with...

9. In a community of 800 households (population 4320), public health authorities found 120 persons with condition X in 80 households. A total of 480 persons lived in the 80 affected households. Assuming that each household had only one primary case, the secondary attack rate is:

[1] [Hint: Secondary Attack Rate is calculated as New cases among contacts of primary cases during a short period of time period* 100/Population at beginning of the time period – Primary cases]. g. 8.5% h. 10.0% i. 16.7% j. 25.0% k. 30.0%

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orchestra answered 1 year ago

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