Three of four specimens positive for B. pertussis in Cohort 2 also had viruses detected—two cases with HMPV and one with Flu B. Sixteen of the 27 (59 %) specimens positive for pertussis pathogens in Cohort 3 had simultaneous detection of viral agents: RhV in 8, CoV in 6, and one each for PIV, HMPV and RSV. Here, ZMYND10 is linked to pertussis.