An evaluation of health protection practices for the investigation and management of Cryptosporidium in England and Wales

R. M. Chalmers*, Noel McCarthy, Katrina Barlow, R. Stiff

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Background Cryptosporidium is a major cause of gastroenteritis (cryptosporidiosis). Case and outbreak report rates vary geographically, which may in part reflect public health practice. Methods To examine the public health management of cryptosporidiosis, an online questionnaire was administered to the 28 Health Protection Teams (HPTs) in England and Wales in 2014. Practices for investigation and management of cases and outbreaks were compared. Results Practice varied among the 24 (86%) respondents in terms of who undertook actions (HPT or Local Authority) to investigate and manage cryptosporidiosis. HPTs without exceedance monitoring detected fewer outbreaks (1/5, 20%) than those with it (13/19, 68%) (P = 0.12), and those that always administered a risk-factor questionnaire detected more outbreaks (12/19, 63%) than those who did this only sometimes (2/5, 40%) (P = 0.62). Significantly more HPTs with a system to detect common exposures reported at least one outbreak (14/19, 74%) compared to HPTs with no system (0/5) (P = 0.01). Conclusions Applying exceedance monitoring, using a standardized questionnaire taking into account the incubation period for Cryptosporidium, and having a structured system to detect common exposures increased outbreak detection. Information about all cases should be shared between local public health authorities, and current guidance used for the prevention of spread.

Original languageEnglish
Pages (from-to)114-120
Number of pages7
JournalJournal of Public Health
Volume40
Issue number1
DOIs
Publication statusPublished - 1 Mar 2018

Bibliographical note

Publisher Copyright:
© The Author 2016. Published by Oxford University Press on behalf of Faculty of Public Health. All rights reserved.

Keywords

  • cryptosporidiosis
  • Cryptosporidium
  • exceedance
  • investigation
  • management
  • monitoring
  • prevention

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