Severe weather events and cryptosporidiosis in Aotearoa New Zealand: A case series of space-time clusters.

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dc.citation.volume152
dc.contributor.authorGrout L
dc.contributor.authorHales S
dc.contributor.authorBaker MG
dc.contributor.authorFrench N
dc.contributor.authorWilson N
dc.coverage.spatialEngland
dc.date.accessioned2024-08-14T01:34:29Z
dc.date.available2024-08-14T01:34:29Z
dc.date.issued2024-04-15
dc.description.abstractOccurrence of cryptosporidiosis has been associated with weather conditions in many settings internationally. We explored statistical clusters of human cryptosporidiosis and their relationship with severe weather events in New Zealand (NZ). Notified cases of cryptosporidiosis from 1997 to 2015 were obtained from the national surveillance system. Retrospective space-time permutation was used to identify statistical clusters. Cluster data were compared to severe weather events in a national database. SaTScan analysis detected 38 statistically significant cryptosporidiosis clusters. Around a third (34.2%, 13/38) of these clusters showed temporal and spatial alignment with severe weather events. Of these, nearly half (46.2%, 6/13) occurred in the spring. Only five (38%, 5/13) of these clusters corresponded to a previously reported cryptosporidiosis outbreak. This study provides additional evidence that severe weather events may contribute to the development of some cryptosporidiosis clusters. Further research on this association is needed as rainfall intensity is projected to rise in NZ due to climate change. The findings also provide further arguments for upgrading the quality of drinking water sources to minimize contamination with pathogens from runoff from livestock agriculture.
dc.description.confidentialfalse
dc.edition.edition2024
dc.format.paginatione64-
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/38616329
dc.identifier.citationGrout L, Hales S, Baker MG, French N, Wilson N. (2024). Severe weather events and cryptosporidiosis in Aotearoa New Zealand: A case series of space-time clusters.. Epidemiol Infect. 152. (pp. e64-).
dc.identifier.doi10.1017/S095026882400058X
dc.identifier.eissn1469-4409
dc.identifier.elements-typejournal-article
dc.identifier.issn0950-2688
dc.identifier.numbere64
dc.identifier.piiS095026882400058X
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71285
dc.languageeng
dc.publisherCambridge University Press
dc.publisher.urihttps://www.cambridge.org/core/journals/epidemiology-and-infection/article/severe-weather-events-and-cryptosporidiosis-in-aotearoa-new-zealand-a-case-series-of-spacetime-clusters/64808F296367D72706F4A927CADF695F#article
dc.relation.isPartOfEpidemiol Infect
dc.rights(c) 2024 The Author/s
dc.rightsCC BY 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCryptosporidium spp
dc.subjectNew Zealand
dc.subjectflooding
dc.subjectinfectious disease
dc.subjectsevere weather events
dc.subjectstorms
dc.subjectsurveillance
dc.subjectCryptosporidiosis
dc.subjectNew Zealand
dc.subjectHumans
dc.subjectWeather
dc.subjectRetrospective Studies
dc.subjectAdult
dc.subjectChild, Preschool
dc.subjectMale
dc.subjectMiddle Aged
dc.subjectChild
dc.subjectFemale
dc.subjectAged
dc.subjectAdolescent
dc.subjectYoung Adult
dc.subjectSpace-Time Clustering
dc.subjectInfant
dc.subjectDisease Outbreaks
dc.subjectAged, 80 and over
dc.subjectSeasons
dc.subjectInfant, Newborn
dc.titleSevere weather events and cryptosporidiosis in Aotearoa New Zealand: A case series of space-time clusters.
dc.typeJournal article
pubs.elements-id488490
pubs.organisational-groupOther
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