Screening test with new test from 1,000 people, who living in village A. 270 cases had a positive, and after by PCR method 100 cases had a positive had it. From the data, Hospital find total 120 cases live in this area
Screening test with new test from 1,000 people, who living in village A. 270 cases had apositive, and after by PCR method 100 cases had a positive had it. From the data, Hospitalfind total 120 cases live in this area