The active COVID-19 case count in Sarnia-Lambton is holding steady at four.
Lambton Public Health reported one more confirmed case of the virus Monday, up to 3,630 since the start of the pandemic.
The number of cases deemed resolved also increased by one to 3,561.
The death toll is unchanged at 65 and there are no active workplace or institutional outbreaks.
Bluewater Health had one COVID-positive patient in hospital.
Since vaccinations began on January 26, 150,000 doses have been administered to residents in Lambton County.