Survey: COVID home test results can enhance disease tracking At least one household member and six healthcare workers who encountered the index case-patient are being investigated after showing symptoms of viral infection. CIDRAP

Online nonprobability survey estimates suggest that 54 million US COVID-19 infections went uncounted in official records after home tests were widely deployed and institutional testing waned starting in February 2022. ...

The findings, the Northeastern University-led research team says, suggest that such surveys can complement institutional and wastewater testing in an emerging pandemic and provide estimates of uncounted infections when rapid at-home tests are broadly available and institutional testing phases out.

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