The Windsor Essex County Health Unit has identified four more places in the region where people may have been exposed to the measles virus.
The entire list is on the health unit's webpage.
So far, there's been 40 confirmed cases of the measles.
The health unit says the period of communicability is four days before the rash appears and four days after it disappears. Those with confirmed cases are asked to monitor their symptoms for 21 days.
It says the latest exposure points are in Harrow, Tecumseh, LaSalle, and Kingsville.
If you were at the Harrow Health Team at 1480 Erie Street South in Harrow between 10:50 a.m. and 1:40 p.m. on March 24, you may have been exposed to the virus.
In Tecumseh, the exposure point is at TMC Urgent Care Walk-In Clinic at 13278 Tecumseh Road East on Monday, March 24, from 12 p.m. to 10 p.m., and on Saturday, March 29, between 1 p.m. and 3:15 p.m.
TMC Urgent Care Clinic at 273 Main Street East in Kingsville is the third exposure point. That was on Friday, March 28, from 8:40 a.m. to 11:30 a.m.
The health unit's final exposure point is at the Medical Lab of Windsor, 5841 Malden Road, LaSalle. If you were there on Saturday, March 29, from 2 p.m. to 4:15 p.m., you may have been exposed.