Stellar UV, a disinfectant robot, at the International Centre for Entrepreneurship and Technology in India. — AFP
WASHINGTON: It's become a familiar mantra: masks, hand-washing and physical distancing can slow the spread of the coronavirus while work continues on developing the vaccines and treatments needed to rid the world of its threat.
But as tens of millions of people return to public transit, their workplaces and schools, are these interventions enough?
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