Lambton Public Health reported one more case of COVID-19 Friday, putting the active case count at three.
Since the pandemic started in March 2020, there have been 3,641 confirmed cases of the virus in Sarnia-Lambton, of which 3,570 have been deemed resolved.
There are no positive patients in hospital according to Bluewater Health and no active outbreaks.
Lambton Public Health said 854 COVID-19 tests were administered the week of July 25 to 31.
The positivity rate went up to 0.82 per cent from 0.36 per cent the week before.
