Human pneumonic plague outbreak has multiple transmission routes

An article from Vaccine News Daily
May 5, 2015
According to a recent announcement from the Colorado Department of Public Health and Environment (CDPHE) laboratory, the recent outbreak of pneumonic plague can be transmitted from human to human as well as dog to human.
The laboratory identified and confirmed the presence of Yersinia pestis, which causes the plague, in a patient’s blood specimen. The man is currently hospitalized for pneumonia.
The Tri-County Health Department (TCHD) conducted an investigation that showed the patient’s dog recently died from hemoptysis. Additionally, three people who came into direct contact with the dog also contract fevers and respiratory illnesses. Two of these people showed radiographic evidence of pneumonia.
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