alexa Wet climate and transportation routes accelerate spread of human plague.
Microbiology

Microbiology

Journal of Antivirals & Antiretrovirals

Author(s): Xu L, Stige LC, Kausrud KL, Ben Ari T, Wang S,

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Abstract Currently, large-scale transmissions of infectious diseases are becoming more closely associated with accelerated globalization and climate change, but quantitative analyses are still rare. By using an extensive dataset consisting of date and location of cases for the third plague pandemic from 1772 to 1964 in China and a novel method (nearest neighbour approach) which deals with both short- and long-distance transmissions, we found the presence of major roads, rivers and coastline accelerated the spread of plague and shaped the transmission patterns. We found that plague spread velocity was positively associated with wet conditions (measured by an index of drought and flood events) in China, probably due to flood-driven transmission by people or rodents. Our study provides new insights on transmission patterns and possible mechanisms behind variability in transmission speed, with implications for prevention and control measures. The methodology may also be applicable to studies of disease dynamics or species movement in other systems.
This article was published in Proc Biol Sci and referenced in Journal of Antivirals & Antiretrovirals

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