There are two confirmed cases of COVID-19 in San Francisco, but the local concern is much greater. 

The Grand Princess cruise ship, with more than 3,500 people on board, is lingering off the coast, as officials await test results for several suspected cases. 

Several passengers aboard a previous cruise on the same ship were confirmed to be infected with COVID-19, including one man who died.

Here's how people in San Francisco are reacting to the outbreak and what they're doing to prepare.