In its first update since Friday, December 24, Lambton Public Health reported 298 new confirmed cases of COVID-19 Monday.
There were 81 more cases deemed as resolved over the two days, increasing the active case count by 217 to 503.
There are 12 outbreaks, up one, and the death toll is unchanged at 80.
Since the pandemic began in March 2020, there have been 5,194 confirmed cases of the virus in Sarnia-Lambton, and 4,611 recoveries.