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A University of Minnesota study of COVID-19 in grocery store workers could help solve vexing questions about the true spread of the infectious disease and guide state strategies to slow it down before the vaccine is broadly available.
Public health Prof. Craig Hedberg is recruiting 1,000 grocers from across Minnesota to mail self-collected blood samples to see if they contain antibodies in response to the coronavirus that causes COVID-19. Patterns in the positive results by worker type and geographic location will offer important clues, he said.
"Understanding patterns of community spread and understanding what prevention measures seem to be effective at helping to limit that spread are going to remain important for the next months and probably the next couple years," Hedberg said.