Abstract:
:In order to control and eradicate epidemic cholera, we need to understand how epidemics begin, how they spread, and how they decline and eventually end. This requires extensive sampling of epidemic disease over time, alongside the background of endemic disease that may exist concurrently with the epidemic. The unique circumstances surrounding the Argentinian cholera epidemic of 1992-1998 presented an opportunity to do this. Here, we use 490 Argentinian V. cholerae genome sequences to characterise the variation within, and between, epidemic and endemic V. cholerae. We show that, during the 1992-1998 cholera epidemic, the invariant epidemic clone co-existed alongside highly diverse members of the Vibrio cholerae species in Argentina, and we contrast the clonality of epidemic V. cholerae with the background diversity of local endemic bacteria. Our findings refine and add nuance to our genomic definitions of epidemic and endemic cholera, and are of direct relevance to controlling current and future cholera epidemics.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Dorman MJ,Domman D,Poklepovich T,Tolley C,Zolezzi G,Kane L,Viñas MR,Panagópulo M,Moroni M,Binsztein N,Caffer MI,Clare S,Dougan G,Salmond GPC,Parkhill J,Campos J,Thomson NRdoi
10.1038/s41467-020-18647-7subject
Has Abstractpub_date
2020-10-01 00:00:00pages
4918issue
1issn
2041-1723pii
10.1038/s41467-020-18647-7journal_volume
11pub_type
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