Cornell Research: Disease-Carrying Fleas Abound on NYC’s Rats

Cornell Research: Disease-Carrying Fleas Abound on NYC’s Rats

In the first study of its kind since the 1920s, rats in New York City were found to carry a flea species capable of transmitting plague pathogens.

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March 6, 2015
Rodents
In the first study of its kind since the 1920s, rats in New York City were found to carry a flea species capable of transmitting plague pathogens.
 
In research appearing March 2 in the Journal of Medical Entomology, lead author Matthew Frye, an urban entomologist with Cornell University’s New York State Integrated Pest Management (IPM) Program, reported collecting more than 6,500 specimens of five well-known species of fleas, lice and mites from 133 rats. Among them: 500-plus Oriental rat fleas, notorious for their role in transmitting the bubonic plague, also known as the Black Death.
 
The Cornell and Columbia University research team looked most closely at the rat flea because of its potential as a vector for human diseases.
 
“If these rats carry fleas that could transmit the plague to people, then the pathogen itself is the only piece missing from the transmission cycle,” says Frye.
 
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Source: Cornell University