acquired immune deficiency syndrome on blue

syndrome immune deficiency blue background acquired hiv aids virus infection transmission treatment antiretroviral therapy system cd4 cells health diagnosis prevention symptoms risk testing protection safe sex medication viral load cure awareness education stigma support community vaccination global research rate epidemic chronic contagious infected response opportunistic infections condom methods bloodborne healthcare contamination antibodies factors sexual social impact options healthy lifestyle lifelong condition medical advancements centers confidentiality groups public preexposure prophylaxis postexposure campaigns mental injection advocacy access care resistance efforts human rights