Both positive and negative HIV tests may need to be repeated 1 to 3 months after potential exposure to HIV infection (this is known as the window period), but you should not wait this long to seek help: clinics may offer a finger prick blood test, which

Related videos Both positive and negative HIV tests may need to be repeated 1 to 3 months after potential exposure to HIV infection (this is known as the window period), but you should not wait this long to seek help: clinics may offer a finger prick blood test, which