Plague case confirmed in Oregon

The man, who was in critical condition, took a mouse from a cat.

By Nigel Duara and Steven Dubois, Associated Press
Posted: June 16, 2012

PORTLAND, Ore. - Health officials have confirmed that an Oregon man has the plague after he was bitten while trying to take a dead rodent from the mouth of a stray cat.

The unidentified Prineville, Ore., man was in critical condition on Friday. He is suffering from a blood-borne version of the disease that wiped out at least one-third of Europe in the 14th century - that one, the bubonic plague, affects lymph nodes.

There is an average of seven human plague cases in the United States each year. A map maintained by the Centers for Disease Control and Prevention shows that most cases since the 1970s have been in the West, primarily the Southwest.

The plague bacteria cycles through rodent populations without killing them off; in urban areas, it's transmitted back and forth from rats to fleas. There's even a name for it, the "enzootic cycle."

The bacteria thrive in forests, semiarid areas and grasslands, which plague-carrying rodents from wood rats to rock squirrels call home.

Once a coin flip with death, the plague is now easier to handle for humans in the United States. The national mortality rate stood at 66 percent before World War II, but advances in antibiotics dropped that rate to its present 16 percent.

Central Oregon health officials don't blame the cat.

"The reality is that, in rural areas, part of the role of cats is to keep the rodent population controlled around our homes and barns," said Karen Yeargain of the Crook County Health Department.

The Prineville man, who is in his 50s, remained in critical condition Friday at a Bend hospital. His illness marks the fifth case of plague in Oregon since 1995.

State public health veterinarian Emilio DeBess said the man was infected when he was bitten by the stray his family befriended. The cat died, and its body is being sent to the CDC for testing.

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