Session for Masters in Hospital Management · AIIMS Bhopal

Outbreak Investigation for Hospital Managers

A one-hour session that follows one outbreak, Salmonella from the staff canteen's chicken biryani, from the first sick call to the final report.

Slides

Forty staff are sick by Tuesday evening

25 slides. Arrow keys to move, S for speaker notes, F for full screen.

Open the slides → Lab 1

Case Definition Lab

Change who counts as a case and watch the epi curve and the relative risk move.

Open Lab 1 → Lab 2

Canteen Attack Rate Lab

Attack rates and relative risk for each dish. Split by biryani to find the confounder.

Open Lab 2 →

What the session covers

  1. Is this an outbreak? Baseline, clusters and pseudo-outbreaks
  2. Case definition and line list
  3. Epi curve: reading the shape, counting back to the exposure
  4. Time, place and person
  5. Attack rates, relative risk and confounding
  6. Lab and kitchen evidence, control from day one, communication and IDSP reporting
  7. The same steps for a NICU cluster, and what to prepare before the next outbreak