Latent HIV infectious reservoir are especially stealthy, when viral titers are undetectable in the blood, its hiding behind the blood brain barrier. "The major

Latent HIV infectious reservoir are especially stealthy, when viral titers are undetectable in the blood, its hiding behind the blood brain barrier. "The major reservoirs for HIV in the CNS are in the microglia, perivascular macrophages, and to a lesser extent, astrocytes" https://pubmed.ncbi.nlm.nih.gov/27873219/ https://pubmed.ncbi.nlm.nih.gov/27873219/