covid-19February 24, 2021 Officials investigate box of Covid-19 vaccines found on a Puerto Rico street “We are talking about 31 vaccines that, sadly, were lost. I’m very upset and, most of all, outraged,” Puerto Rico Health Secretary Carlos Mellado said. 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…