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. 2020 Oct 7;35(11):959–962. doi: 10.1016/j.tree.2020.08.012

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Potential Positive Feedback Loop Arising from Interactions Among Climate, Infectious Diseases, and Methane Emissions.

Ongoing changes in climate are linked to increases in pathogen infections. Pathogens, such as gastrointestinal worms and the bacteria causing bovine mastitis (which affects the mammary glands), can increase net enteric methane emissions produced by livestock like sheep and dairy cows. Ultimately, this effect may feedback on climate, promoting a vicious cycle of climate change and infection.