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Social & Preventive Medicine Communicable diseases 6242218e

Which of the following is not true about Annual Infection rate of tuberculosis?

A
1% increase in AIR is equivalent to 70 new cases of TB
B
It is one of the best indicator for evaluating tubercolusis problem and its trend
C
It expresses attacking force of Tuberculosis in community
D
It is 1.5% in India
High-Yield Explanation
<p> In developing countries 1% ARI corresponds to:50 SS +ve cases per 100,000 general population. Park&;s textbook of preventive and social medicine,K.Park,22nd edition,page no:168. <\p>

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