These troops carried with them a particularly virulent strain of Bubonic Plague.

He also carries to new extremes a strain of xenophobia that runs through the Dangerfield school of comedy.

But it carries a broader strain of discontent.

Chimpanzees here carry a strain of simian immunodeficiency virus (the monkey version of H.I.V.) that is genetically close to the main human variant.

Both the yIH and the glo'meH prototype were carrying a new variant strain of the Levodian flu.

The main fear is that our own cattle may carry a different strain of the disease that is distinct from the British strain.

For six weeks, as they awaited test results, they did not know whether they carried a drug-resistant strain or the more benign variety.

The man reported by health officials in New York to be carrying a rare strain of H.I.V. is believed to have used methamphetamine.

As spraying for mosquitoes that may be carrying a strain of encephalitis continued on Long Island, Suffolk County passed two measures last week to limit pesticide use.

If they were found to be carrying a new strain of influenza or SARS they could within a few hours unwittingly put the lives of millions at risk.