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CD4 cell counts becoming lower soon after infection with HIV, suggests virus becoming more virulent

HIV treatment works well across all subtypes

Africans develop AIDS more slowly

HIV cure needs to be scientific, funding priority, researchers and advocates warn

Treatment intensification does not eliminate HIV in reservoir sites

Microbicide uses RNA interference technology to halt viral infection

Unprotected sex between long-term partners with HIV: no evidence for superinfection

Viral and host factors important in acute HIV infection

Immune system defects persist in people who start treatment late