the acute phase by exposure to semen or blood containing HIV, beginning in
lymph-related associated with epithelial linings with most T helper cells
being destroyed with two weeks of infection, transitioning into a latent
period, for which a chronic infection develops and the virus replicates at a
low level, for sake of some viruses not destroyed by any targets, passing
into a progression of symptoms, with lymph tissues being destroyed, T helper
cells dropped below a critical value of 200 cells/microliter, and more with
possibly swollen lymph glands, night sweats, fever, weight loss, or finally
AIDS, or the lethal stage
现在要再写出这样的连结似乎花的时间更多了
人老了，不中用了，唉