A public health agency is working to scale up its tuberculosis (TB) control program to address the growing need in a region. In the first year, they screened 5 , 000 individuals for TB and found 198 positive cases. If a study for a new drug requires 800 individuals who have tested positive for TB, how many people can the organizers of the study expect to have to test to have enough participants for the study? Round the answer to the nearest thousand. Enter your answer in the box
