HONG KONG — At Hong Kong’s deserted airport, cleaning crews constantly spray baggage trolleys, elevator buttons and check-in counters with antimicrobial solutions....
In London, many pubs spent lots of money on intensive surface cleaning to reopen after lockdown — before closing again in November. All over the world, workers are soaping, wiping and fumigating surfaces with an urgent sense of purpose: to fight the coronavirus....
But Shelly Miller, an expert on aerosols at the University of Col
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2020-11-18 00:00:00.0