Healthcare Worker With an Infection: When Work Exclusion Ends (CDC)
When CDC's work exclusion ends for a healthcare worker with an infection, from the onset date or the start of effective therapy.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Infection
- Pertussis
- Onset date
- 2026-03-01
- Effective antimicrobial therapy started
- 2026-03-11T09:00
Result: Exclude from work through March 16, 2026: 5 days after effective antimicrobial therapy started, which comes before day 21 of the cough (March 22, 2026).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Infection
- Onset date: rash, parotitis, first symptom or cough (YYYY-MM-DD)
- Effective antimicrobial therapy started (YYYY-MM-DDTHH:MM)
- Varicella: all lesions dried and crusted
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, rubella, pertussis, varicella, group A Streptococcus and meningococcal disease (updated 2024 to 2026). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.