ArticleBMC infectious diseases2024
Cryptosporidium species and subtypes identified in human domestic cases through the national microbiological surveillance programme in Sweden from 2018 to 2022.
Article in BMC infectious diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 24 citations in OpenAlex.
- A One Health Molecular Investigation and Exploratory Epidemiological Analysis of Cryptosporidium spp. in A Shared Human-Animal Ecosystem.Veterinary medicine and science · 2026Article
- Occurrence and Diversity of Cryptosporidium spp. and Giardia duodenalis in Animals in Portugal: Novel Data and Public Health Implications.Zoonoses and public health · 2026Article
- Unravelling the synergistic potential of Olibanum extract and Bacillus clausii in combating intestinal cryptosporidiosis in immunosuppressed mice.PLoS neglected tropical diseases · 2026Article
- Monitoring of cryptosporidiosis: a shift in circulatingEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2026Article
- Gastrointestinal pathogens in paediatric patients with diarrhoea during the COVID-19 pandemic in Spain: a multicentre molecular-based prospective study.European journal of pediatrics · 2026Article
- Prevalence and Molecular Characterisation of Cryptosporidium spp. and Giardia duodenalis in Equines in Algeria.Veterinary medicine and science · 2026Article
- Prevalence of cryptosporidiosis and other enteric pathogens in calves in France: effects of rotavirus, coronavirus and E. coli vaccination and transmission routes.Veterinary research · 2026Article
- Large-scale molecular epidemiological survey ofJournal of clinical microbiology · 2026Article
- Detection and genetic characterization of the GP60 Gene of Cryptosporidium parvum isolated from HIVGut pathogens · 2026Article
- Molecular characterization of Cryptosporidium spp. in goats (Capra hircus) from Zhejiang Province, China: evidence of zoonotic species and subtypes.BMC microbiology · 2026Article
- Emergence of zoonoticFrontiers in microbiology · 2026Article
- Molecular Epidemiological Survey ofAnimals : an open access journal from MDPI · 2025Article
- ConcurrentEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2025Article
- Endoparasites of European hedgehogs (Erinaceus europaeus) in Germany and their zoonotic potential: proposed Capillaria ovoreticulata genetically identified as Capillaria putorii.Parasites & vectors · 2025Article
- Prevalence of Acute Gastroenteritis Enteropathogens Among Hospitalized Children in Jordan: A Single-Center Study.Viruses · 2025Article
- First Detection of Cryptosporidium Canis and Occurrence ofMicroorganisms · 2025Article
- Multilocus Variable-Number Tandem-Repeat Analysis as an Investigation Tool inMicroorganisms · 2025Article
- Prevalence and Molecular Characterization ofPathogens (Basel, Switzerland) · 2025Article
- Gut Microbial Signatures Associated with Cryptosporidiosis: A Case Series.Microorganisms · 2025Article
- A review of recentCurrent research in parasitology & vector-borne diseases · 2025Review
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Authors and funding
8 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe intestinal protozoan parasite Cryptosporidium is an important cause of diarrheal disease worldwide. A national microbiological surveillance programme was implemented in Sweden in 2018 in order to increase knowledge of the molecular epidemiology of human cryptosporidiosis to better understand transmission patterns and potential zoonotic sources. This article summarises the results of the first five years of the surveillance programme.
methodsCryptosporidium-positive faecal and DNA samples from domestically acquired infections were collected from clinical microbiological laboratories in Sweden. Species and subtype determination was performed using 60 kDa glycoprotein and/or small subunit ribosomal RNA gene analysis.
resultsBetween 2018 and 2022, 1654 samples were analysed and 11 different species were identified: C. parvum (n = 1412), C. mortiferum (n = 59), C. hominis (n = 56), C. erinacei (n = 11), C. cuniculus (n = 5), C. meleagridis (n = 3), C. equi (n = 2), C. ubiquitum (n = 2), and one each of C. canis, C. ditrichi and C. felis. Subtyping revealed seven subtype families of C. parvum (new subtype families IIy and IIz) and 69 different subtypes (11 new subtypes). The most common C. parvum subtypes were IIdA22G1c, IIdA24G1, IIdA15G2R1 and IIaA16G1R1b. For C. hominis, four different subtype families and nine different subtypes (two new subtypes) were identified. For additional species, two new subtype families (IIIk and VId) and nine new subtypes were identified. All successfully subtyped C. mortiferum cases were subtype XIVaA20G2T1, confirming previous findings in Sweden. Several outbreaks were identified of which the majority were foodborne and a few were due to direct contact with infected animals.
conclusionInfection with C. parvum is the leading cause of human cryptosporidiosis acquired in Sweden, where more than 90% of domestic cases are caused by this zoonotic species and only a small proportion of cases are due to infection with other species. The rodent-associated C. mortiferum is considered an emerging zoonotic species in Sweden and the number of domestically acquired human cases has surpassed that of infection with C. hominis. A high diversity of species and subtypes, as well as diversity within the same subtype, was detected. Also, cryptosporidiosis appears to affect adults to a great extent in Sweden.
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