Measles quarantine and restriction date calculator for health professionals

Use this tool to work out the infectious period for a person with measles (a case), and
quarantine or restriction dates for measles contacts.

What was the rash onset date for the case?

The infectious period of the person with measles is from
to

What was the first day of exposure to the case during their infectious period?

For household contacts enter the first day of the case's infectious period.

Choose a date within the case's infectious period

What was, or will be, the last day of exposure to the case during their infectious period?

For household contacts enter the last day of the case's infectious period.

Choose a date within the case's infectious period

How is the contact classified?

Immune - born before 1 January 1969, previous positive measles PCR, or 2 recorded MMR vaccines after the age of 12 months.

Partially vaccinated - one recorded MMR vaccine after the age of 12 months.

Non-immune - born after 1 January 1969, no record of previous positive measles PCR, or no record of MMR vaccine after 12 months.

Their symptom self-monitoring period is until .

Their restriction period is from to .

Their symptom self-monitoring period is until .

If the contact received post-exposure immunoglobulin prophylaxis