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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. was the most common species in the characterised samples (115/122), and the 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 is essential for prevention of cases, to better understand trends and subtypes circulating and the impact of adverse meteorological events.

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2024-07-11
2024-12-12
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2024.29.28.2300733
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Marked increase in cryptosporidiosis cases, Spain, 2023
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Marina+Pe%C3%B1uelas+Martinez&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Peñuelas Martinez Marina</a>, <a href="/search?value1=David+Carmena&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Carmena David</a>, <a href="/search?value1=Bernardo+R+Guzm%C3%A1n+Herrador&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Guzmán Herrador Bernardo R</a>, <a href="/search?value1=Margarita+Palau+Miguel&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Palau Miguel Margarita</a>, <a href="/search?value1=Gabriela+Saravia+Campelli&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Saravia Campelli Gabriela</a>, <a href="/search?value1=Rosa+Mar%C3%ADa+Garc%C3%ADa+%C3%81lvarez&option1=author&noRedirect=true" class="nonDisambigAuthorLink">García Álvarez Rosa María</a>, <a href="/search?value1=Mar%C3%ADa+Guerrero-Vadillo&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Guerrero-Vadillo María</a>, <a href="/search?value1=Alejandro+Dashti&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dashti Alejandro</a>, <a href="/search?value1=Pamela+C+K%C3%B6ster&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Köster Pamela C</a>, <a href="/search?value1=Esperanza+Guevara+Alemany&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Guevara Alemany Esperanza</a>, <a href="/search?value1=Fernando+Sim%C3%B3n+Soria&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Simón Soria Fernando</a>, <a href="/search?value1=Isabel+Fuentes+Corripio&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Fuentes Corripio Isabel</a>, <a href="/search?value1=Carmen+Varela+Mart%C3%ADnez&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Varela Martínez Carmen</a>, <a href="/search?value1=Mar%C3%ADa+Jos%C3%A9+Sierra+Moros&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Sierra Moros María José</a>, <a href="/search?value1=working+group+for+the+National+Surveillance+Network&option1=author&noRedirect=true" class="nonDisambigAuthorLink">working group for the National Surveillance Network</a></span>. Marked increase in cryptosporidiosis cases, Spain, 2023. <a href="/content/ecdc">Euro Surveill.</a> 2024;29(28):pii=2300733. <a href="https://doi.org/10.2807/1560-7917.ES.2024.29.28.2300733" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2024.29.28.2300733</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 20 Dec 2023;&nbsp;&nbsp; <span class="generated">Accepted</span>: 26 Apr 2024 </span> </p>
/content/10.2807/1560-7917.ES.2024.29.28.2300733
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