The incubation period of AIDS can be detected by test strips. The incubation period of AIDS is very long, usually 6-8 years, and even 10 years in some cases, and 4-5 years in some cases. During this time, as long as HIV replicates in the body, HIV antibodies can exist in the bloodstream, which can be detected by the corresponding HIV antibody test strips. In addition to the presence of antibodies in the blood, also in the saliva and urine, so if the corresponding test paper is used saliva or urine for laboratory analysis, it can also be detected, there may be undetectable period is not called the incubation period, but the window period, because after the HIV infection on the human body, will experience a period of reproduction, the body’s immune system to produce a sufficient amount of antibodies to be able to be detected. This time is about 2-3 weeks, so if you have been infected with HIV for a long time, such as more than 3 months, you can be detected at this time.