{Reference Type}: Journal Article {Title}: Notes from the Field: Increase in Nontoxigenic Corynebacterium diphtheriae - Washington, 2018-2023. {Author}: Xie AG;Yomogida K;Berry I;Briggs NL;Esie P;Hamlet A;Paris K;Tromble E;DeBolt C;Graff NR;Chow EJ; {Journal}: MMWR Morb Mortal Wkly Rep {Volume}: 73 {Issue}: 17 {Year}: 2024 May 2 {Factor}: 35.301 {DOI}: 10.15585/mmwr.mm7317a4