Four Cases of Life-Threatening Plague Found in Colorado
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Scanning electron micrograph depicting a mass of Yersinia pestis bacteria. Photograph:... Read More
Three more plague cases were found in Colorado, a week after the first infection of the deadliest form of the disease was reported in the state in a decade.
The man initially reported with pneumonic plague on July 11 is hospitalized. Two of the new cases also had pneumonic plague, while the third had a milder form. All four cases may be linked to the original man’s dog, which died from the illness, state health officials said.
“We’ve had quite a number of cases this year,” House said in a telephone interview. “We do believe the outbreak itself to be over.”
Colorado has had 60 cases of all types of plague since 1957, and nine people have died. Twelve cases of plague have occurred in the past decade in the state. The state’s investigation is ongoing, House said.
Plague in all of its forms usually infects an average of seven people yearly in the U.S., and is found mostly in the western states of Arizona, New Mexico and Colorado, according to the Centers for Disease Control and Prevention. The disease is transmitted by fleas, which pick up a bacterium called Yersinia pestis in infected animals such as chipmunks, prairie dogs, ground squirrels, mice and other mammals.
“While this is not a daily, weekly, or monthly occurrence, it isn’t without precedence,” said Jim Siedlecki, director of public information of Adams County, where the original victim lives, in a telephone interview. “A case of plague where fleas and prairie dogs are involved isn’t earth shattering for Colorado.”
To contact the reporters on this story: Sonali Basak in New York at sbasak7@bloomberg.net; Jennifer Oldham in Denver at joldham1@bloomberg.net
To contact the editors responsible for this story: Reg Gale at rgale5@bloomberg.net Angela Zimm
The man initially reported with pneumonic plague on July 11 is hospitalized. Two of the new cases also had pneumonic plague, while the third had a milder form. All four cases may be linked to the original man’s dog, which died from the illness, state health officials said.
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“We’ve had quite a number of cases this year,” House said in a telephone interview. “We do believe the outbreak itself to be over.”
Colorado has had 60 cases of all types of plague since 1957, and nine people have died. Twelve cases of plague have occurred in the past decade in the state. The state’s investigation is ongoing, House said.
Western States
There are three main types of plague. Septicemic plague occurs when the bacteria proliferates in the bloodstream. Bubonic plague takes hold underneath the skin. Pneumonic plague, the most serious, can be spread through coughing and sneezing and occurs when the bacteria enters the lungs.Plague in all of its forms usually infects an average of seven people yearly in the U.S., and is found mostly in the western states of Arizona, New Mexico and Colorado, according to the Centers for Disease Control and Prevention. The disease is transmitted by fleas, which pick up a bacterium called Yersinia pestis in infected animals such as chipmunks, prairie dogs, ground squirrels, mice and other mammals.
“While this is not a daily, weekly, or monthly occurrence, it isn’t without precedence,” said Jim Siedlecki, director of public information of Adams County, where the original victim lives, in a telephone interview. “A case of plague where fleas and prairie dogs are involved isn’t earth shattering for Colorado.”
To contact the reporters on this story: Sonali Basak in New York at sbasak7@bloomberg.net; Jennifer Oldham in Denver at joldham1@bloomberg.net
To contact the editors responsible for this story: Reg Gale at rgale5@bloomberg.net Angela Zimm
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