For the six-month period, 26 new active TB cases occurred in a population of 183,000. What is the incidence rate per 100,000?

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Multiple Choice

For the six-month period, 26 new active TB cases occurred in a population of 183,000. What is the incidence rate per 100,000?

Explanation:
Incidence rate measures how many new cases occur in a population over a defined time, expressed per a standard population size (per 100,000). Here, 26 new TB cases happened in six months among 183,000 people. Compute: (26 ÷ 183,000) × 100,000 ≈ 14.2. Rounded, that’s 14 per 100,000 for that six-month period. If you needed an annual rate, you’d double it to about 28 per 100,000 per year, which is why that number appears as an option.

Incidence rate measures how many new cases occur in a population over a defined time, expressed per a standard population size (per 100,000). Here, 26 new TB cases happened in six months among 183,000 people. Compute: (26 ÷ 183,000) × 100,000 ≈ 14.2. Rounded, that’s 14 per 100,000 for that six-month period. If you needed an annual rate, you’d double it to about 28 per 100,000 per year, which is why that number appears as an option.

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