yes you have to be tested.her result shows that she wasnt infected 3months ago.but it tells you nothing about her status at the time u had sex together.
test after12weeks.
although you can take a duo test at 4 weeks which will detect 99%of infections and can put ur mind at rest.but you must retest after 12 weeks for 100%conclusive result
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the HIV negative test on the sex workers is show that 1 mth ago she do not have HIV right? if within the window period she was not infect HIV am i am in safe right?
her test result is it can use as an indicator to show that she wasnt infection HIV for 1 month ago? because she have been dormant from her work for about 1 month time.