“…Because, the duration of varies as a function of the pathogen of interest (Davies et al, ; Dee, Deen, Burns, Douthit, & Pijoan, ; Dee, Martinez, & Clanton, ; Dee, Torremorell, Thompson, Deen, & Pijoan, ; Linhares, Torremorell, Joo, & Morrison, ; Lowe et al, ; Olesen et al, ; Weesendorp, Stegeman, & Loeffen, ; Zimmerman et al, ) and as a function of the intensity of the cleaning activities carried out within the pig industry (Dee, Deen, et al, ; Dee, Torremorell, et al, ), we tested the impact of sharing PHC vehicles by considering various scenarios of notably < 1, = 1, = 7 and = 28 days. In total, 520 multilayer networks, which involved 1,040 single‐layer networks, were constructed and analysed.…”