Social & Preventive Medicine If in a locality API is more than 2, the folloiwng is done- A 2 round of DDT per year with active surveillance B 2 rounds of DDT per year with active and passive surveillance C Only active and passive surveillance D 2 rounds of DDT per year only 💡 Explanation If in a locality API is more than 2, the folloiwng is done- ✓ Correct Answer: B. 2 rounds of DDT per year with active and passive surveillance