Diagnosed with Plague

Wednesday, June 20th, 2012

The bubonic plague hasn’t completely disappeared, even from the US, where seven cases are diagnosed in an average year, primarily in the southwest.

I don’t know why an Oregon man would try to take a dead rodent from the mouth of a stray cat, but he did, the cat bit him, and now he’s been diagnosed with plague:

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, semi-arid 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 U.S. 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 Dr. 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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