Marina Peñuelas Martinez, David Carmena, Bernardo R Guzmán Herrador, Margarita Palau Miguel, Gabriela Saravia Campelli, Rosa María García Álvarez, María Guerrero-Vadillo, Alejandro Dashti, Pamela C Köster, Esperanza Guevara Alemany, Fernando Simón Soria, Isabel Fuentes Corripio, Carmen Varela Martínez, María José Sierra Moros, working group for the National Surveillance Network
{"title":"Marked increase in cryptosporidiosis cases, Spain, 2023","authors":"Marina Peñuelas Martinez, David Carmena, Bernardo R Guzmán Herrador, Margarita Palau Miguel, Gabriela Saravia Campelli, Rosa María García Álvarez, María Guerrero-Vadillo, Alejandro Dashti, Pamela C Köster, Esperanza Guevara Alemany, Fernando Simón Soria, Isabel Fuentes Corripio, Carmen Varela Martínez, María José Sierra Moros, working group for the National Surveillance Network","doi":"10.2807/1560-7917.es.2024.29.28.2300733","DOIUrl":null,"url":null,"abstract":"<span>Background</span>\n<p>By mid-September 2023, several event notifications related to cryptosporidiosis had been identified from different regions in Spain. Therefore, a request for urgent notification of cryptosporidiosis cases to the National Surveillance Network was launched.</p>\n<span>Aim</span>\n<p>We aimed at assessing the extent of the increase in cases, the epidemiological characteristics and the transmission modes and compared to previous years.</p>\n<span>Methods</span>\n<p>We analysed data on case notifications, outbreak reports and genotypes focusing on June–October 2023 and compared the results to 2016–2022.</p>\n<span>Results</span>\n<p>In 2023, 4,061 cryptosporidiosis cases were notified in Spain, which is an increase compared to 2016–2022. The cumulative incidence was 8.3 cases per 100,000 inhabitants in 2023, sixfold higher than the median of 1.4 cases per 100,000 inhabitants 2016–2022. Almost 80% of the cases were notified between June and October. The largest outbreaks were related to contaminated drinking water or swimming pools. <span>Cryptosporidium hominis</span> was the most common species in the characterised samples (115/122), and the <span>C. hominis</span> IfA12G1R5 subtype, previously unusual in Spain, was detected from 76 (62.3%) of the 122 characterised samples.</p>\n<span>Conclusions</span>\n<p>A substantial increase in cryptosporidiosis cases was observed in 2023. Strengthening surveillance of <span>Cryptosporidium</span> is essential for prevention of cases, to better understand trends and subtypes circulating and the impact of adverse meteorological events.</p>","PeriodicalId":12161,"journal":{"name":"Eurosurveillance","volume":null,"pages":null},"PeriodicalIF":9.9000,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Eurosurveillance","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.2807/1560-7917.es.2024.29.28.2300733","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
引用次数: 0
Abstract
Background
By mid-September 2023, several event notifications related to cryptosporidiosis had been identified from different regions in Spain. Therefore, a request for urgent notification of cryptosporidiosis cases to the National Surveillance Network was launched.
Aim
We aimed at assessing the extent of the increase in cases, the epidemiological characteristics and the transmission modes and compared to previous years.
Methods
We analysed data on case notifications, outbreak reports and genotypes focusing on June–October 2023 and compared the results to 2016–2022.
Results
In 2023, 4,061 cryptosporidiosis cases were notified in Spain, which is an increase compared to 2016–2022. The cumulative incidence was 8.3 cases per 100,000 inhabitants in 2023, sixfold higher than the median of 1.4 cases per 100,000 inhabitants 2016–2022. Almost 80% of the cases were notified between June and October. The largest outbreaks were related to contaminated drinking water or swimming pools. Cryptosporidium hominis was the most common species in the characterised samples (115/122), and the C. hominis IfA12G1R5 subtype, previously unusual in Spain, was detected from 76 (62.3%) of the 122 characterised samples.
Conclusions
A substantial increase in cryptosporidiosis cases was observed in 2023. Strengthening surveillance of Cryptosporidium is essential for prevention of cases, to better understand trends and subtypes circulating and the impact of adverse meteorological events.
期刊介绍：
Eurosurveillance is a European peer-reviewed journal focusing on the epidemiology, surveillance, prevention, and control of communicable diseases relevant to Europe.It is a weekly online journal, with 50 issues per year published on Thursdays. The journal includes short rapid communications, in-depth research articles, surveillance reports, reviews, and perspective papers. It excels in timely publication of authoritative papers on ongoing outbreaks or other public health events. Under special circumstances when current events need to be urgently communicated to readers for rapid public health action, e-alerts can be released outside of the regular publishing schedule. Additionally, topical compilations and special issues may be provided in PDF format.
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