Lab Med

The stage of clinical AIDS that is reached years after initial infection is marked by the appearance of one or more of the typical opportunistic in…

Another phase of HIV infection described clinically but no longer commonly diagnosed in practice, is the condition known as AIDS-related complex (A…

There is loss of normal lymph node architecture as the immune system fails with emergence from latency of HIV infection. It is marked by developmen…

Unlike most infections in past epidemics, AIDS is distinguished by a very long latent period before the development of any visible signs of infecti…

Primary HIV infection may go unnoticed in at least half of cases or produce a mild disease which quickly subsides, followed by a long clinical &quo…

HIV infects definable population subgroups ("risk groups"). The transmission of HIV is a function of where the virus appears in the body …

Presence or emergence of different HIV subtypes may also account for the appearance of antiretroviral drug resistance as well as the variability in…