Tucked in the corner on the second floor of Weld County’s public health building, Mark Thomas spends his days in a lab coat looking for a “black grain of sand on a white beach,” he says. With the help ...

WELD COUNTY, Colo. (CBS4)-- A new testing site opened Thursday in Weld County. The site is at the county's southwest administration building at 4209 County Rd 24 1/2 in Longmont. Testing is available ...

WELD COUNTY, Colo. (CBS4) - Weld County residents who are experiencing coronavirus symptoms can get tested at a state-run site. The Colorado Department of Public Health and Environment and the ...

An odorless and colorless gas, radon is the leading cause of lung cancer among non-smokers. The U.S. Environmental Protection Agency estimates radon causes more than 20,000 lung cancer deaths per year ...

Colorado is conducting targeted testing for the coronavirus in Weld County through Tuesday, state officials said Saturday. Testing is open to any Weld County resident with symptoms of the coronavirus, ...