The flies are said to carry the fever virus in their blood, which would do us no harm if it stayed there.

With my own lab research, which is partly on how the dengue fever virus replicates itself, I wouldn't want to own it.

Yellow fever is a serious disease caused by the yellow fever virus.

The vaccine consists of a live, but attenuated, strain of the yellow fever virus called 17D.

The article cites that "3 demonstrated histopatholic changes consistent with wild yellow fever virus."

Viruses were confirmed as human pathogens in 1901, when the yellow fever virus was discovered by Walter Reed (1851-1902).

It is likely that the refugees and ships carried the yellow fever virus and mosquitoes.

We have never tried out concentrated fever virus on you Galactic dogs.

Although mosquitoes are still around, the malaria parasite and yellow fever virus have been largely eliminated from this country.

Unfortunately, it also attracts mosquitoes that carry the yellow fever virus.