A new warning from health officials in Halton: make sure your measles shots are up to date.
They are confiriming an adult case in Burlington.
But the person has been to Toronto, Niagara on the Lake and Oakville recently.
Included in that trip were stops to the Amsterdam Brew House and a Niagara outlet mall.
Halton Health says the person visited the following locations at the following times:
Homewood Suites by Hilton Burlington, 975 Syscon Rd., Burlington
Thursday, Dec. 13 to Sunday, Dec. 16, entire facility, 8:30 a.m. to 10 p.m.
Monday, Dec. 17, entire facility, 8:30 a.m. to 3 p.m.
Longos, 3455 Wyecroft Rd., Oakville
Thursday, Dec. 13, 12:30 to 3:15 p.m.
Friday, Dec. 14, 12:30 to 4 p.m.
Saturday, Dec. 15, 3 to 6 p.m.
Cogeco, 950 Syscon Rd., Burlington
Friday, Dec. 14, 10:30 a.m. to 3 p.m.
Outlet Collection at Niagara, 300 Taylor Rd., Niagara-on-the-Lake
Saturday, Dec. 15, 11:30 a.m. to 4 p.m., at Gap, Calvin Klein and Guess stores.
Amsterdam BrewHouse, 245 Queens Quay W., Toronto
Sunday, Dec. 16, 2:30 to 6 p.m.
Measles symptoms include, fever, cold, small spots inside the mouth and a red rash that can last for up to a week.