A genus of SPONGES in the family Petrosiidae, characterized by an ectosomal triangular or polygonal reticulation of spicule tracts or single spicules.
A species of the genus FLAVIVIRUS which causes an acute febrile and sometimes hemorrhagic disease in man. Dengue is mosquito-borne and four serotypes are known.
The type species of MORBILLIVIRUS and the cause of the highly infectious human disease MEASLES, which affects mostly children.