… transmission probability per act, per stage of progression [22] … epidemiological role of the
different stages. We have carried out this assessment through simulations of two HIV epidemics …

… is that the symptomatic stage is far more infectious than the earlier stages. Our conclusion
… activity level as the epidemic progresses. Our symptomatic stage estimate, although higher …

… to characterize the early stages of the HIV epidemic. … Studies of the early stages of the HIV
epidemic are usually … investigate risk factors for HIV when the prevalence of HIV is low. Studies …

… During epidemics in which infection prevalence rises quickly over several … early HIV infection
(4,5) . That is not surprising; early in an epidemic, few individuals are in advanced stages of …

… The epidemiological impact of public health … (HIV-1) during early or late-stage infection
depends on the contribution of these disease stages to transmission within a particular epidemic. …

… Even though many early stage HIV/AIDS cases have been identified due to large scale
screening programs in the last two years [9], only about 20% of the country's total …

… trends among HIV-infected patients over the course of the HIV epidemic. … HIV infection.
Therefore, we evaluated prospectively collected data to assess weight trends during the epidemic …

… However, this approach is subject to a number of sources of uncertainty and two other
approaches, epidemic models of HIV transmission and surveys of HIV prevalence, are used to …

… A detailed account of how the early HIV epidemic might have … these retroviruses were similar
to HIV-1 or HIV-2 (depending … source of HIV and AIDS, postulated that HIV spreads from SIV…

… was modeled to match estimates of the prevalence of HIV in homosexual men in San … For
the early-stage epidemic, we modeled a growing epidemic in which the prevalence of HIV was …