/tags/serosurveys serosurveys en-US Copyright KUNC/Community Radio for Northern Colorado 2020 Wed, 06 May 2020 23:35:07 GMT /health/2020-05-06/a-colorado-countys-antibody-testing-suggests-low-covid-19-immunity-thats-good-and-bad-news Communities across the globe are trying to understand what percent of their population has been exposed to COVID-19 by searching random samples of… Wed, 06 May 2020 23:35:07 GMT /health/2020-05-06/a-colorado-countys-antibody-testing-suggests-low-covid-19-immunity-thats-good-and-bad-news Rae Ellen Bichell