El Tor

E273016

El Tor is a biotype of the bacterium Vibrio cholerae responsible for the current seventh pandemic of cholera, characterized by greater environmental persistence and often milder disease than the classical biotype.

All labels observed (1)

Label Occurrences
El Tor canonical 2

How this entity was disambiguated

Statements (51)

Predicate Object
instanceOf Vibrio cholerae biotype
biotype
associatedWith global spread of cholera since 1960s
prolonged endemic transmission
associatedWithDisease cholera
biotypeComparedTo classical biotype of Vibrio cholerae
controlMeasures antibiotic treatment in severe cases
oral cholera vaccines
oral rehydration therapy
safe water and sanitation
dominantBiotypeIn current global cholera cases
emergencePeriod mid-20th century
environmentalReservoir coastal waters
estuaries
plankton-associated communities
surface water
firstDetectedAt Red Sea ports of Egypt
surface form: El Tor quarantine station, Sinai Peninsula, Egypt
geographicOrigin Sinai Peninsula
hasCaseFatalityRate lower than classical biotype in treated patients
hasCharacteristic better survival in association with plankton
better survival in brackish water
enhanced survival in aquatic environments
greater environmental persistence
higher rate of asymptomatic infections than classical biotype
increased ability to persist on fomites
more efficient person-to-person transmission than classical biotype
often milder clinical disease than classical biotype
hasHemolysisProperty positive chicken red blood cell hemolysis
hasPhageSusceptibility distinct from classical biotype
hasPolymyxinBResistance resistant
hasSerogroup O1
hasVogesProskauerReaction positive
includesSerotype Inaba
Ogawa
isBiotypeOf Vibrio cholerae
namedAfter Lazareto
surface form: El Tor quarantine station
notableOutbreakRegion Latin America
South Asia
Sub-Saharan Africa
pandemicNumber seventh cholera pandemic
parentTaxon Vibrio cholerae
producesToxin cholera toxin
replaced classical biotype in most endemic regions
responsibleFor seventh cholera pandemic
taxonRank biotype
toxinType CTXΦ-encoded cholera toxin
transmissionRoute contaminated food
contaminated water
fecal-oral
typicalClinicalSeverity milder than classical cholera
typicalDehydrationSeverity often less severe than classical cholera

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.