Here's everything we know about how San Francisco has battled the coronavirus pandemic as its number of confirmed infections hits 279 and the city prepares for a surge in cases

· The coronavirus disease has transformed life in the San Francisco Bay Area, as well as elsewhere in the world.
· San Francisco declared a state of emergency in February, was one of many Bay Area cities to enter a three-week shelter-in-place order on March 17, and now the city is gearing up for an expected surge in cases.
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