Following the chlamydial exposure, a series of events occur in host belonging to innate and adaptive immune systems. The first line defense against infections is mucosal secretions contain various antimicrobial peptides. complement system that can be part triggered by elementary bodies Chlamydiae. Chlamydiae escape from infect epithelial cells. are protected phagolysosome fusion generating incl...

toxoplasma gondii is one of the most prevalent parasitic infections in world. rh, ned and me49 are of the most prevalent clonal types of the parasite isolated till now. differences in pathogenicity and virulence of different types have been investigated in different studies. no controlled study was performed to compare the ability of different types to initiate humoral immune response. we inves...