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Post-infection symp...
Post-infection symptoms following two large waterborne outbreaks of Cryptosporidium hominis in Northern Sweden, 2010-2011
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Rehn, Moa (author)
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- Wallensten, Anders (author)
- Uppsala universitet,Infektionssjukdomar
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- Widerström, Micael (author)
- Umeå universitet,Infektionssjukdomar
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- Lilja, Mikael (author)
- Umeå universitet,Allmänmedicin
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Grunewald, Maria (author)
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Stenmark, Stephan (author)
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Kark, Malin (author)
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- Lindh, Johan (author)
- Uppsala universitet,Mikrobiologi
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(creator_code:org_t)
- 2015-06-04
- 2015
- English.
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In: BMC Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 15
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Background: In 2010-2011, two large waterborne outbreaks caused by Cryptosporidium hominis affected two cities in Sweden, Ostersund and Skelleftea. We investigated potential post-infection health consequences in people who had reported symptoms compatible with cryptosporidiosis during the outbreaks using questionnaires. Methods: We compared cases linked to these outbreaks with non-cases in terms of symptoms present up to eleven months after the initial infection. We examined if cases were more likely to report a list of symptoms at follow-up than non-cases, calculating odds ratios (OR) and 95 % confidence intervals (CI) obtained through logistic regression. Results: A total of 872 (310 cases) and 743 (149 cases) individuals responded to the follow-up questionnaires in Ostersund and Skelleftea respectively. Outbreak cases were more likely to report diarrhea (Ostersund OR: 3.3, CI: 2.0-5.3. Skelleftea OR: 3.6, CI: 2.0-6.6), watery diarrhea (Ostersund OR: 3.4, CI: 1.9-6.3. Skelleftea OR: 2.8, CI: 1.5-5.1) abdominal pain (Ostersund OR: 2.1, CI: 1.4-3.3, Skelleftea OR: 2.7, CI: 1.5-4.6) and joint pain (Ostersund OR: 2.0, CI: 1.2-3.3, Skelleftea OR: 2.0, CI: 1.1-3.6) at follow-up compared to non-cases. Conclusions: Our findings suggest that gastrointestinal-and joint symptoms can persist several months after the initial infection with Cryptosporidium and should be regarded as a potential cause of unexplained symptoms in people who have suffered from the infection.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
Keyword
- Cryptosporidium hominis
- Post-infection symptoms
- Cryptosporidiosis
- Sequelae
Publication and Content Type
- ref (subject category)
- art (subject category)
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