Do you have her body check up report in Philipine which show she is fit to work? Moreover, call your agency to let them know. If TB, is very dangerous. You better send her back to the agency first to wait until the medicine report on coming Saturday. The agency have an responsible to help you.
But before she come to HK this time, she must done the body check up. If TB 核, she may "Fit to work" because is not infect to the others. Your agency can't help??