Chagas disease is a human tropical parasitic disease which occurs in the Americas, particularly in South America. Its pathogenic agent is a flagellate protozoan named Trypanosoma cruzi, which is ...

Humankind's remotest relative is a very rare micro-organism from south-Norway. The discovery may provide an insight into what life looked like on earth almost one thousand million years ago.

The embargo for this release has been changed to 7 p.m. EST Sept. 12. In contrast to previous findings, it seems that the global distribution of macro- and microorganisms might be similar. A study in ...

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 ...