cryptosporidium parvum protozoa positive in human stool smear

acid acidfast aids analyze analyzing care chronic crypto cryptosporidiosis cryptosporidium cyst diagnosis diarrhea disease epidemic exam fast fecal feces health hiv human immunodeficient infection infectious lab laboratory medical microbiology microorganism microscope nitazoxanide oocyst parasite parvum patient positive protozoa red research sample science shape smear specimen sphere stage stain stool test treatment