Right now, the world is only a little closer to ending the Covid-19 pandemic than it was at this time last year. Despite the tireless work of health care workers, the miracles of vaccine researchers and producers, and the trillions of dollars spent by governments, there are still too many people falling ill around the world and too many who have yet to receive the benefits of vaccination. And, with each new infection, we risk a mutation that could produce a variant – like the B1.1.7, B1.351 and B.1.617 variants we are seeing now – that could break out, cross borders and challenge vaccine efficacy.
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