Table 5.

Species Marburg marburgvirus, Bundibugyo ebolavirus, Reston ebolavirus, Sudan ebolavirus, Taï Forest ebolavirus, Zaire ebolavirus, and Lloviu cuevavirus

Incorrect usage	Correct usage	Explanation
Bats may be reservoir hosts for Reston ebolavirus	Bats may be reservoir hosts for Reston virus	The species Reston ebolavirus is a taxon. Names of taxa are italicized. Taxa are concepts, not physical entities. They cannot be discovered because they are invented, rather than real. Taxa are preceded by a zero article. Members of taxa, such as Reston virus, can be discovered in animals
	Bats may reservoir hosts for members of the species Reston ebolavirus
A novel vaccine candidate protects mice against infection with Marburg virus and against all species of Ebola Virus	A novel vaccine candidate protects mice against infection with Marburg virus and against all ebolaviruses	Species are taxa. They cannot infect an animal. Viruses infect animals. Ebola is a river. Ebola virus is a virus. There is only one Ebola virus, but there are several ebolavirus species
	A novel vaccine candidate protects mice against infection with Marburg virus and against members of all ebolavirus species
Several species of Ebola virus have been identified	Several species of ebolaviruses have been established	Species are taxa, i.e. abstract concepts. They cannot be identified, discovered, or go extinct. Viruses are physical entities. They cannot be defined. Taxa are established, whereas members are described