CDC Warns of Recent Jump in Cryptosporidiosis Outbreaks

In response to a national uptick in recreational water-associated disease outbreaks caused byCryptosporidium, the CDC is sharing healthy swimming resources that clinicians can pass along to patients.
Source: AAFP News - Category: Primary Care Source Type: news

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Authors: Wood M, Simmonds L, MacAdam J, Hassard F, Jarvis P, Chalmers RM Abstract Most commercial swimming pools use pressurised filters, typically containing sand media, to remove suspended solids as part of the water treatment process designed to keep water attractive, clean and safe. The accidental release of faecal material by bathers presents a poorly quantified risk to the safety of swimmers using the pool. The water treatment process usually includes a combination of maintaining a residual concentration of an appropriate biocide in the pool together with filtration to physically remove particles, including m...
Source: Journal of Water and Health - Category: Environmental Health Tags: J Water Health Source Type: research
In this study, 18 fecal specimens were collected from seriously ill calves on this farm during the diarrhea outbreak, and analyzed for common enteropathogens by enzymatic immunoassay (EIA). In a post-outbreak investigation, 418 and 1,372 specimens collected from animals of various age groups were further analyzed for rotavirus and Cryptosporidium spp. by EIA and PCR, respectively, to assess their roles in the occurrence of diarrhea on the farm. Cryptosporidium spp. were genotyped using established techniques. Initial EIA tests showed that 15/18 seriously ill calves during the outbreak were positive for Cryptosporidium parv...
Source: International Journal for Parasitology - Category: Parasitology Authors: Tags: Int J Parasitol Source Type: research
Authors: Ridderstedt F, Widerström M, Lindh J, Lilja M Abstract We investigated sick leave from work, studies, preschool, and kindergarten occurring between 1 November 2010 and 31 January 2011 and associated with a waterborne outbreak of diarrhea caused by Cryptosporidium hominis in late November 2010 in Östersund, Sweden with 45.2% of 60,000 residents being symptomatic. A questionnaire defining acute watery diarrhoea and/or ≥3 diarrhea episodes/day as cryptosporidiosis was sent to 1,508 residents in late January 2011 (response rate 69.2%). Among adults aged 18-60 years, 24.0% took sick leave for a mea...
Source: Journal of Water and Health - Category: Environmental Health Tags: J Water Health Source Type: research
A Minnesota campground seems to be behind an apparent outbreak of water-borne parasitic illness, public health officials said. Minnesota Department of Health (MDH) officials confirmed last week that three people tested positive for cryptosporidiosis after visiting Shades of Sherwood Campground in Zumbrota. (One person also tested positive for E. coli.) In an update posted Friday, MDH officials said they have identified 72 people with symptoms consistent with cryptosporidiosis or E. coli, though most of these illnesses have not been laboratory-confirmed. Cryptosporidiosis is typically contracted after ingesting water that h...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized Minnesota onetime Source Type: news
Publication date: June 2018Source: Spatial and Spatio-temporal Epidemiology, Volume 25Author(s): Aparna Lal, Jonathan Marshall, Jackie Benschop, Aleisha Brock, Simon Hales, Michael G Baker, Nigel P FrenchAbstractSpatio-temporal disease patterns can provide clues to etiological pathways, but can be complex to model. Using a flexible Bayesian hierarchical framework, we identify previously undetected space-time clusters and environmental and socio-demographic risk factors for reported giardiasis and cryptosporidiosis at the New Zealand small area level. For giardiasis, there was no seasonal pattern in outbreak probability and...
Source: Spatial and Spatio-temporal Epidemiology - Category: Epidemiology Source Type: research
You may want to think twice before taking a dip on your next vacation, according to the results of a new report from the Centers for Disease Control and Prevention (CDC). Between 2000 and 2014, the CDC recorded 493 disease outbreaks related to treated recreational water, resulting in more than 27,000 illnesses and eight deaths. And in almost a third of those outbreaks, the infections could be traced back to hotel pools, hot tubs and spas, the CDC says. In hotels, pools were a major culprit, but 65 cases stemmed from hot tubs or spas. Of the outbreaks with a confirmed cause, the vast majority — 94% — were due t...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized healthytime onetime public health Source Type: news
DiscussionThis review aims to consolidate the evidence for transmission routes and exposures forCryptosporidium in industrialised countries, with particular reference to how these may apply to the UK. In addition, the review will seek to describe differences between outbreak and sporadic cases. This will help to identify those most vulnerable, highlighting pathways where interventions and public health response may be appropriate.Systematic review registrationPROSPERO numberCRD42017056589.
Source: Systematic Reviews - Category: International Medicine & Public Health Source Type: research
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 Fren...
Source: The American Journal of Tropical Medicine and Hygiene - Category: Tropical Medicine Authors: Tags: Am J Trop Med Hyg Source Type: research
Publication date: Available online 25 February 2018 Source:Veterinary Parasitology Author(s): P. Díaz, E. Navarro, A. Prieto, A. Pérez-Creo, M. Viña, J.M. Díaz-Cao, C.M. López, R. Panadero, G. Fernández, P. Díez-Baños, P. Morrondo Application of molecular approaches has led to a significant progress on the knowledge of the epidemiology of Cryptosporidium spp.. Nevertheless, molecular information on the occurrence of cryptosporidiosis in domestic small ruminants, especially in goats, are limited and restricted to the study of a modest number of isolates, mainly from d...
Source: Veterinary Parasitology - Category: Veterinary Research Source Type: research
This study was devoted to determine the prevalence and the genetic diversity ofCryptosporidium spp. in symptomatic hospitalized patients and in two children populations with different socio-economic level in North-Lebanon, as well as the risk factors associated with cryptosporidiosis.Fecal samples obtained from these populations were examined microscopically by modified Ziehl-Neelsen staining as well as nested PCR were done for the detection ofCryptosporidium oocysts.Out of 163 symptomatic hospitalized patients and 249 children,Cryptosporidium was present in 11% and 10.4% respectively according to microscopy examination an...
Source: The Journal of Infection in Developing Countries - Category: Infectious Diseases Source Type: research
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