Sarnia-Lambton's active COVID case-count increased by four Friday morning.
Lambton Public Health reported five new cases and one recovery, bringing active infections to 39.
There have been 4,301 confirmed cases during the pandemic, including 4,188 resolved and 74 COVID-related deaths.
There are four active outbreaks, including one at Bluewater Health reported Thursday. The Sarnia hospital has six COVID-positive patients in its care, up one from Thursday.