DENVER (KDVR) — A family member who was cleaning out a garage to help a Fort Collins resident who recently moved broke and spilled a glass vial of mercury Monday, prompting a hazmat response.

Single-use vials do not need a preservative. The amount of ethyl mercury in a flu shot is less than the more dangerous methyl mercury found in a can of tuna. DEAR DR. ROACH: I am curious on your ...