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Cryptosporidiosis Outbreak in Immunocompetent Children from a Remote Area of French Guiana: CRYPTOSPORIDIOSIS OUTBREAK IN AMAZONIAN CHILDREN

Abstract : In September 2014, an increase in the number of Cryptosporidium spp. gastrointestinal tract infections was reported over a 6-month period among children living in a remote area along the Maroni River in French Guiana. Children presented gastroenteritis symptoms with Cryptosporidium-positive stools. Questionnaires were administered and stool examinations were controlled 3 months after the onset of symptoms. Data collection included demographics, food consumption, river behavior, symptoms, and outcome. Stool specimens were tested using microscopy and polymerase chain reaction. Samples from the water systems were examined for turbidity and culture for bacteria. Data from the reference laboratory were analyzed to calculate the median cryptosporidiosis incidence among immunocompetent patients from 2008 to 2015. Data on gastroenteritis cases reported by the Delocalized Center for Prevention and Care in the area were also collected. We report a cluster of 14 cases. All cases were children, aged between 4.5 and 38 months. Seven reported moderate to severe dehydration and required hospitalization. Speciation and microbiological typing revealed the cluster strain was Cryptosporidium hominis subtype IbA10G2 but C. hominis IbA9G2 and IbA15G1 strains were also identified. The median incidence in French Guiana was 5.8 cases per year before the outbreak. The first cases of the cluster appeared in the dry season. We describe the clinical features, epidemiology, and state of current investigations for the largest documented outbreak of cryptosporidiosis in French Guiana.
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Submitted on : Friday, June 8, 2018 - 5:21:35 PM
Last modification on : Friday, May 20, 2022 - 9:06:42 AM
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Emilie Mosnier, Noémie Martin, Romy Razakandrainibe, Frédéric Dalle, Guillaume Roux, et al.. Cryptosporidiosis Outbreak in Immunocompetent Children from a Remote Area of French Guiana: CRYPTOSPORIDIOSIS OUTBREAK IN AMAZONIAN CHILDREN. American Journal of Tropical Medicine and Hygiene, American Society of Tropical Medicine and Hygiene, 2018, 98 (6), pp.1727 - 1732. ⟨10.4269/ajtmh.17-0609⟩. ⟨inserm-01811281⟩



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