Volume 28, Number 6—June 2022
Dispatch
Zoonotic Transmission of Diphtheria from Domestic Animal Reservoir, Spain
Figure

Figure. Core-genome multilocus sequence typing–based minimum spanning tree of all toxigenic Corynebacterium ulcerans strains associated with the zoonotic transmission of diphtheria in Spain in 2019 compared with reference strain NCTC_NC017317 from GenBank. Branches are labeled with the number of allelic differences between strains. European Nucleotide Archive accession numbers: human strain, ERR4880084; CAT1 strain, ERR6177889; CAT2 strain, ERR6177890; DOG1 strain, ERR6177891.
1These first authors contributed equally to this article.
2Authors in the Case Study Investigation Group are listed at the end of this article.