W
Western Blot - Confirmatory test utilized to indicate the presence of HIV disease. A person is considered HIV-infected if the Western Blot is reactive.
Works - Paraphernalia used to inject drugs, including needle, syringe, cooker, cotton, tourniquet and water.
Window Period - Refers to the period of time between HIV exposure and when HIV antibodies can be detected. Most people will develop detectable antibodies within 3 months after infection, the average being 25 days. During this period, HIV may be transmitted to others even though their HIV test is negative.
Z
Zidovudine - A nucleoside reverse transcriptase inhibitor medication to assist with inhibiting the reproduction of HIV (Retrovir, ZDV and AZT).