covid-19October 21, 2020 CDC issues new guidance on close contact and spread of Covid-19 A new CDC report finds it takes less than 15 minutes of close contact with people confirmed to have the virus over a 24-hour period to become infected. Related posts U.K.'s Johnson launches mass testing…Do you need a Covid-19…What's behind workers' hesitation to…Fully vaccinated people can travel…Younger Latino men are Covid's…Salmonella infections in eight states…Salmonella infections in eight states…The U.S. isn't losing to…Virus-killing robot tested for use…In Covid fight, Cuba touts…