Huron Perth Public Health reported 10 new cases during the Monday report.
Stratford led the way with 3 cases, followed by Huron East and West Perth with 2 each.
South Huron, Central Huron and St. Marys each added 1 new case each.
Meanwhile Sarnia Lambton saw an increase of 8 cases, while Middlesex London did not report on Monday.
