Characteristics of the sexual networks of gay, bisexual, and other men who have sex with men in Montréal, Toronto, and Vancouver: implications for the transmission and control of mpox in Canada.

GBM sexual activity after restrictions were lifted remained below pre-pandemic levels. Comparable sexual partner distributions may explain similarities in mpox ℛ0 and cumulative incidence across cities. With potential for further recovery in sexual activity, mpox vaccination and surveillance strategies should be maintained.