Abstract
The answer to this deceptively simple question has aroused controversy,1 much of it clarified recently. From the beginning of the epidemic it was clear that progression to AIDS was marked by the development of opportunistic infections or tumours, associated with immunological failure and T4 cell lymphocyte depletion. Overwhelming epidemiological evidence showed that a retrovirus, …
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have