State public health officials worry that the Delta variant of COVID-19 will be the dominant strain in Illinois by this fall. Reaction from Mercer County Health Department administrator Carla Ewing.
6,429 Mercer County residents or 41-percent of the population is now vaccinated against COVID. The latest test positivity rate is 3.9 percent in Mercer County or 7 positives out of 160 tests. Seven days prior Mercer County reached zero percent.