Avian cholera outbreaks threaten seabird species on Amsterdam Island
Minimum-spanning tree of Pasteurella multocida sequence types (STs) based on the MLST Scheme (http://www.pubmlst.org/pmultocida/).
Each circle represents a ST (reference numbers are inside circles). ST61 is specified by a vertical black arrow. The color code indicates the animal origin of sequenced isolates available in the database, n represents the number of these isolates for each animal group.