Healthcare Worker Exposed to Measles, Mumps, Rubella, Varicella or Pertussis: Exclusion Dates (CDC)
Work exclusion or monitoring dates for a healthcare worker exposed to measles, mumps, rubella, varicella or pertussis (CDC).
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Exposed to
- Measles
- First exposure
- 2026-03-01
- Last exposure
- 2026-03-03
- Immunity
- No presumptive evidence of immunity
Result: Exclude from work from March 6, 2026 (day 5 after the first exposure) through March 24, 2026 (day 21 after the last exposure).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Exposed to
- First exposure (YYYY-MM-DD)
- Last exposure (YYYY-MM-DD; blank for a single exposure)
- Immunity (measles, mumps, rubella, varicella)
- Mumps, not immune: first MMR dose before the exposure
- Varicella, not immune: one prior dose and the second within 5 days after exposure
- Varicella, not immune: varicella-zoster immune globulin given
- Pertussis: likely to interact with persons at increased risk
- Pertussis: receiving postexposure prophylaxis
How this is calculated
Citation
CDC. Infection Control in Healthcare Personnel: Epidemiology and Control of Selected Infections Transmitted Among Healthcare Personnel and Patients, section pages for measles, mumps and rubella (updated April 5, 2024), varicella (updated March 23, 2026) and pertussis (updated January 26, 2024). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.