This infection some type of parasite called Cryptosporidium parvum this infection can cause the symptoms of the disease in HIV-infected patients with cells. CD4 less 200 until CD4 cells than 200 symptoms of diseases caused by infection Cryptosporidium parvum will disappear in the 1-3.Although the symptoms will disappear, but still you have with you, and you may spread the infection to others. And you will be a new symptom when the cells CD4 you down.