This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Which of the following is not true about Annual Infection rate of tuberculosis? 
Select and explain. 
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
A: 1% increase in AIR is equivalent to 70 new cases of TB
Answer: A: 1% increase in AIR is equivalent to 70 new cases of TB 
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>