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Table 5 Clinical features of Cryptosporidium-infection cases in the municipality of Skellefteå during December 2010 to May 2011

From: Early outbreak detection by linking health advice line calls to water distribution areas retrospectively demonstrated in a large waterborne outbreak of cryptosporidiosis in Sweden

 

Proportion with symptom (%)

95% CI (%)

Fatigue

78.5

72.4 – 84.7

Abdominal pain

73.3

66.8 – 79.8

Upset stomach

71.4

64.7 – 78.2

Diarrhoea

 Watery

70.2

63.4 – 77.0

 Bloody

0.9

0.0 – 2.5

 Nausea

63.5

56.1 – 70.9

 Headache

46.9

39.3 – 54.5

 Vomiting

35.8

28.6 – 43.1

 Fever >38 °C

36.5

28.2 – 42.8

 Joint pain

27.4

20.4 – 34.4

 Pain in eyes

14.6

9.1 – 20.1

  1. CI confidence interval
  2. Based on postal questionnaire
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