March 22, 2024 Newsweek: Leprosy Is Spreading in Florida

Associate professor and leprosy researcher Dr. John Spencer comments on the infectious nature of leprosy (M. Leprae) and the increased case numbers currently seen in Florida.

January 28, 2021 Science: This wildlife vet tracks deadly microbes in the African jungle. Now, he’s on the trail of COVID-19

Identified in chimpanzees, leprosy joins a growing list of pathogens circulating in the environment that afflict both humans and other animals.

December 14, 2020 Avon Old Farms: Featured Alumnus – John Spencer ’71

Alum John Spencer has pursued an exciting career focused on leprosy, around the world and in the lab, since graduating from Avon Old Farms.

November 11, 2020 Science: Leprosy, ancient scourge of humans, found to assail wild chimpanzees

The first confirmed cases of leprosy affecting wild chimpanzees, suggests an unidentified reservoir in the environment.

March 11, 2020 North Forty News: Passionate about Leprosy

After 23 years, CSU professor John Spencer remains as passionate as ever about his work, especially efforts to contribute to the creation of a simple test to determine a person’s risk for developing leprosy.

August 7, 2018 Humans gave leprosy to armadillos – now they are giving it back to us

CSU professor John Spencer explains how armadillos pose a serious risk of spreading leprosy through contact with local human populations.

June 29, 2018 New evidence that wild armadillos spread leprosy to humans

An international team led by Colorado State University has found that human contact with wild armadillos has contributed to extremely high infection rates of a pathogen that can cause leprosy in Pará, Brazil.

June 28, 2018 Quartz: Armadillos are making Brazil’s leprosy problem worse

The majority of armadillos may be carriers of leprosy in a Brazil, where the rate of leprosy cases reported is amongst the highest in the world.

June 28, 2018 Science Daily: More than half of Amazonian armadillos carry leprosy

A study led by CSU professor John Spencer found that 62% of all armadillos in the western part of Pará state in Brazil carry the bacteria that causes leprosy.