Sentence examples for virus existed from inspiring English sources

But the virus existed only in India, and the U.S. government would not allow it to be imported.

But because the simian virus, known as S.I.V.cpz, was identified in chimpanzees in captivity, researchers could not be sure that the same simian virus existed among these apes in the wild.

Others who did believe the virus existed were too scared to get help.

It appears that the TuMV activity was affected by an unknown-mechanism when the virus existed in C. quinoa.

The virus existed in healthy looking specimens from five different years, suggesting it has persisted in the environment.

Her analysis also indicates that the virus existed in low levels in humans until the middle of the 20th century.

But federal experts suspect that clandestine supplies of the virus exist and are taking no chances.

READY FOR 'DARK WINTER' -- For sure, the virus exists in laboratories in the United States and Russia.

"Terror is not an unjustified reaction to knowing this virus exists," Osterholm, who serves on the Advisory Board, told me.

The smallpox virus exists in laboratories that are overseen by the World Health Organization, although bioterrorism experts believe that clandestine stocks may exist.

They called for widespread testing to determine where the virus exists in the region and in what fish.