Residents should review vaccination records to gauge protection against measles, noting that one MMR dose offers about 93% protection and two doses about 97%.

Measles symptoms typically appear 7 to 14 days after exposure, may take up to 21 days, and include high fever, cough, runny nose, red eyes, white spots in the mouth, and a red facial rash that spreads to the body.

Public Health officials, coordinated with the Michigan Department of Health and Human Services, are investigating exposures and notifying potentially exposed individuals.

Post-exposure options may include Immunoglobulin for certain groups (babies under 12 months, pregnant people, and those with weakened immune systems) within 72 hours of exposure.

Measles vaccination history shows a long-term decline since 2019, contributing to a surge in cases; 2026 national counts exceed 4,000, with Pennsylvania reporting the largest outbreaks.

Additional measles information is available at michigan.gov/measles and phdm.org/measles.

If exposed or symptomatic, contact a healthcare provider before seeking care to avoid spreading the disease.

Public health guidance urges checking vaccination status, getting vaccinated or seeking vaccination via PHDM (with a provided contact number), and calling a healthcare provider before clinic visits if exposed or symptomatic.

Authorities warn that measles remains dangerous and rising, with cases and deaths at state and national levels; up-to-date vaccination is strongly advised.

Delta County, Michigan has three confirmed measles cases, the first in the jurisdiction since 1989 and the first in the Upper Peninsula in 2026.

Delta County Public Health of Delta & Menominee Counties (PHDM) confirmed three measles cases, the first in the two-county area since 1989 and in the Upper Peninsula in 2026.

Public exposure sites are being evaluated and will be shared if identified.