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Contact networks structured by sex underpin sex-specific epidemiology of infection.


ABSTRACT: Contact networks are fundamental to the transmission of infection and host sex often affects the acquisition and progression of infection. However, the epidemiological impacts of sex-related variation in animal contact networks have rarely been investigated. We test the hypothesis that sex-biases in infection are related to variation in multilayer contact networks structured by sex in a population of European badgers Meles meles naturally infected with Mycobacterium bovis. Our key results are that male-male and between-sex networks are structured at broader spatial scales than female-female networks and that in male-male and between-sex contact networks, but not female-female networks, there is a significant relationship between infection and contacts with individuals in other groups. These sex differences in social behaviour may underpin male-biased acquisition of infection and may result in males being responsible for more between-group transmission. This highlights the importance of sex-related variation in host behaviour when managing animal diseases.

SUBMITTER: Silk MJ 

PROVIDER: S-EPMC6849844 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Contact networks structured by sex underpin sex-specific epidemiology of infection.

Silk Matthew J MJ   Weber Nicola L NL   Steward Lucy C LC   Hodgson David J DJ   Boots Mike M   Croft Darren P DP   Delahay Richard J RJ   McDonald Robbie A RA  

Ecology letters 20171220 2


Contact networks are fundamental to the transmission of infection and host sex often affects the acquisition and progression of infection. However, the epidemiological impacts of sex-related variation in animal contact networks have rarely been investigated. We test the hypothesis that sex-biases in infection are related to variation in multilayer contact networks structured by sex in a population of European badgers Meles meles naturally infected with Mycobacterium bovis. Our key results are th  ...[more]

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