We all know individuals can get infected and have the gamut of reactions to the virus. From no symptoms to death. The reason you let the low risk group work is because keeping them locked up makes no sense given the data we have and the hospital capacity we have. In fact, its important to get them to work and getting hospitals functioning properly ready to serve the public in a more full service capacity asap.
If the high risk groups isolates itself properly.
They should not be getting sick from the low risk group.
Fear? ... your team and its skewed stats were the ones who spread the fear.
As nearly every old age home in the U.S. and Europe has discovered it is nearly impossible to stop cross-contamination from society into the home. The food must be delivered, the staff must come to work, medical care provided, etc. Even in the old age home locally where they made the staff stay on site & not leave -- the facility still landed up with COVID-19.