Houston Announces Plan to Randomly Knock on Doors to Collect Blood Samples to Better Understand COVID
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In the name of fighting COVID-19, Harris County (Texas's largest county) health officials announced a plan that includes randomly knocking on doors to collect blood samples. "Teams of health workers wearing yellow vests will make their rounds from Nov. 15 through Dec. 15, from 8 a.m. to 5 p.m." reports the Houston Chronicle.