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‘Deep cleaning’ doesn’t mean anything. Still, deep cleaners are in high demand

The Los Angeles Times interviewed Dr. Timothy Brewer, professor at the UCLA Fielding School of Public Health, on the use of the term “deep cleaning” to describe sanitation practices. 

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Friday, March 20, 2020

It’s happened at schools, stores and offices, warehouses and city halls: Someone who might be infected with the coronavirus passes through.

The building often closes. Then come the calming words: deep cleaning.

The idea is that a thorough cleaning and disinfecting could help prevent people from getting sick. The virus is spread mainly through person-to-person contact, though people can also catch it from droplets exhaled when an infected person coughs or sneezes. Those droplets can stick to surfaces, and the virus can survive for hours or days, according to health officials.

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