HIV test window period is the time interval between the original INFECTION with HIV and the appearance of detectable antibodies to the VIRUS. Window period is about 14-21 days, while in some case up to 12 weeks. In other WORDS, a BLOOD sample from HIV patient will show no sign of HIV infection if he/she is in window period, and his blood will show all HIV test negative, till it surpasses the window period. It’s only after window period, you will able to detect virus in blood sample and SEE the infection in the blood sample of the HIV patient.

HIV test window period is the time interval between the original infection with HIV and the appearance of detectable antibodies to the virus. Window period is about 14-21 days, while in some case up to 12 weeks. In other words, a blood sample from HIV patient will show no sign of HIV infection if he/she is in window period, and his blood will show all HIV test negative, till it surpasses the window period. It’s only after window period, you will able to detect virus in blood sample and see the infection in the blood sample of the HIV patient.