Q. Which one of the following will be checked under phase IV surveillance? (Solved)
1. The whole market will be under surveillance
2. 300-3000 people
3. 20-300 people
4. 20-50 people
- a. The whole market will be under surveillance
1. The whole market will be under surveillance
2. 300-3000 people
3. 20-300 people
4. 20-50 people