A possible measles exposure in the St. Louis region has prompted public health warnings regarding potential exposures at Busch Stadium and multiple local businesses between September 12 and September 14, according to the Missouri Department of Health and Senior Services.
Exposed Locations and Specific Timelines
State health officials released a detailed timeline of locations visited by the infectious individual to help residents identify potential contact. According to the Missouri Department of Health and Senior Services, anyone who visited the following spots during these designated windows may have been exposed to the virus:
- September 13: Little Ireland (125 N. 1st St., Pacific) around 11:30 a.m.; B & H Market (2244 W. Osage St., Pacific) around 6:30 p.m.; and Pacific Brew Haus (220 S. 1st St., Pacific) from 8 to 9 p.m., according to state health releases.
- September 14: Goodcents (173 Long Rd., Chesterfield) from 3 to 5:15 p.m., and Bud’s Market (312 E.
Symptoms and Transmission Risks
Measles is an airborne viral illness recognized by public health agencies as exceptionally contagious. A single infected person can transmit the virus to nine out of ten unvaccinated individuals nearby, according to the Missouri Department of Health and Senior Services. Initial symptoms typically manifest between seven and 14 days following exposure and include a high fever, cough, runny nose, and red, watery eyes. White spots inside the mouth may develop two to three days after symptoms start, followed by a characteristic rash within three to five days.

Health Protocols for Exposed Individuals
Exposed individuals must actively monitor their health for 21 days following their known date of exposure, according to the state health department. Anyone exhibiting symptoms of the virus should immediately isolate themselves. Furthermore, state officials advise patients to call their health care provider prior to arrival for testing to receive specific instructions on how to enter facilities without exposing other patients and medical staff.