Alva Review-Courier -

Health investigators across the U.S. are finding it nearly impossible to keep up with the deluge of new COVID-19 infections and carry out contact tracing efforts that were once seen as a pillar of the nation's pandemic response.

States are hiring new staff and seeking out volunteers to bolster the ranks of contact tracers that have been overwhelmed by surging coronavirus cases.

Some states trimmed their contact tracing teams this spring and summer when virus numbers were dropping and are now scrambling to train new investigators. Others have triaged their teams to focus on the most vulnerable,...