covid-19March 24, 2021 Hong Kong halts Pfizer's Covid vaccine, investigates packaging The suspension comes as the Asian financial hub has faced a sluggish take-up of vaccines. 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…