Researchers have observed a previously unrecognized behavior in a single-celled parasite called Spironucleus vortens, which infects ornamental fish such as angelfish: The protozoans swarm. Johns ...

Trichomonas vaginalis is a parasitic protozoan that, akin to some other protozoan parasites, exists only as a trophozoite and does not form a cyst. This human pathogen may be variable in size and ...

THE greater portion of the first Report deals with the subject of human trypanosomiasis, particularly in the Congo district. The trypanosomata are flagellated protozoa, which have been found to be ...

Johns Hopkins researchers have observed a previously unrecognized behavior in a single-celled parasite called Spironucleus vortens, which infects ornamental fish such as angelfish: The protozoans ...