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E. coli O157 scenario Slides from 24 th March 2014

E. coli O157 scenario Slides from 24 th March 2014. Ellie Hothersall @DundeePublicH Susan Law @satl101 PLEASE NOTE: All names etc. are fictional. Thursday afternoon. Toby Scott 5 years old 1 day history of haematuria 4 day history of diarrhoea Currently in HDU in paediatrics.

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E. coli O157 scenario Slides from 24 th March 2014

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  1. E. coli O157 scenario Slides from 24th March 2014 Ellie Hothersall @DundeePublicH Susan Law @satl101 PLEASE NOTE: All names etc. are fictional

  2. Thursday afternoon Toby Scott 5 years old 1 day history of haematuria 4 day history of diarrhoea Currently in HDU in paediatrics

  3. What features suggest E coli infection? • Diarrhoea • Haematuria • Child’s age • Fever • Rapid onset

  4. Haemolytic uraemic syndrome • Generally starts with diarrhoea (can be bloody) • Cramps • Verocytotoxin-producing E coli (VTEC) • 10% of VTEC cases thought to develop HUS

  5. Surveillance questionnaire This link for Dundee students (password protected): https://mbchb.dundee.ac.uk/publichealth/files/2014/03/20130502-Enteric-Form.doc Link for Health Protection Agency surveillance form (England)

  6. Likely risk factors Private water supply Pet dog Meat from local butchers’ Recent birthday party Swimming Nursery

  7. Contact tracing Sister (Emilia, 8) also has diarrhoea

  8. Friday Mother (Sarah Scott) now has diarrhoea Which of the following jobs would mean she should excluded from working? Hairdresser Health care assistant Car mechanic Police woman Journalist

  9. Lab report confirms E. coli O157 in Toby’s stool Sample sent for genotyping Still awaiting results for Emilia

  10. Later on Friday Jayden Miller Age 3 Bloody diarrhoea for 4 days Lab confirms E. coli O157 for Emilia

  11. Waleed Ibrahim (7) diarrhoea, seen by same GP as saw the Scott family Wilma Saunders, 45, 2 day history of bloody diarrhoea Works in café at Clearwater farm

  12. What kind of study to we need here? Prospective cohort Retrospective cohort Randomised controlled trial Case control

  13. Cases Cases 3 children, 2 adults Controls 4 children, 4 adults

  14. Sarah S Toby S David S Emilia S Rachel S Jayden M Ashleigh M Susan B Colm B Ryan B Wilma S Steve S

  15. Risks identified 2 butchers Swimming Open farm Private water supply Primary school

  16. Where is the likely source? Flemings butchers Dobies butchers Swimming Open farm Private water supply Primary school

  17. http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317135762632

  18. Outbreak management team Public health Environmental health Veterinary medicine (Scottish) Government Health and Safety Exec

  19. http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317135818622

  20. http://www.face-online.org.uk/resources/preventing-or-controlling-ill-health-from-animal-contact-at-visitor-attractions-industry-code-of-practicehttp://www.face-online.org.uk/resources/preventing-or-controlling-ill-health-from-animal-contact-at-visitor-attractions-industry-code-of-practice

  21. http://www.face-online.org.uk/resources/preventing-or-controlling-ill-health-from-animal-contact-at-visitor-attractions-industry-code-of-practicehttp://www.face-online.org.uk/resources/preventing-or-controlling-ill-health-from-animal-contact-at-visitor-attractions-industry-code-of-practice

  22. http://www.face-online.org.uk/resources/preventing-or-controlling-ill-health-from-animal-contact-at-visitor-attractions-industry-code-of-practicehttp://www.face-online.org.uk/resources/preventing-or-controlling-ill-health-from-animal-contact-at-visitor-attractions-industry-code-of-practice

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