Has HIV Become More Virulent?

Damage to patients’ immune systems is happening sooner now than it did at the beginning of the HIV epidemic, suggesting the virus has become more virulent, according to a new study in the May 1, 2009 issue of Clinical Infectious Diseases, now available online. Conventional wisdom says several years will pass between HIV infection and the need for antiretroviral therapy.

Source: Has HIV Become More Virulent?