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Figure 1 | BMC Infectious Diseases

Figure 1

From: Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome

Figure 1

Study recruitment base and participants . Participants were recruited based on a mailed questionnaire study regarding fatigue [30] and abdominal complaints [31] to all individuals with outbreak related laboratory confirmed giardiasis [3]. Five years after the outbreak, patients who reported chronic fatigue in this questionnaire were invited to participate in a thorough clinical evaluation and screening. Fifty three individuals agreed to participate. Five patients were excluded from this study after evaluation. Two control groups were recruited; 22 individuals with normal score (=11) in the questionnaire three years after, and 10 healthy individuals not affected by the outbreak (unexposed controls) and without particular abdominal symptoms or fatigue.

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