covid-19January 21, 2021 Timing of second Covid shot doesn't need to be exact. Just get it, experts say. It’s OK if you can’t get the second dose right away. But experts strongly recommend getting it as soon as you can. 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…