Italy’s cases have nearly tripled from about 2,500 infections last Wednesday to more than 7,300 on Sunday, and deaths rose to more than 360. In the Lombardy region of Italy, which has been locked down, classes, conferences and even funerals are banned, and people are required to keep a distance of one meter from one another.

The shutdown of Italy’s economic powerhouse could be a test for the West: Can China’s heavy-handed measures, which it says is a success, work in a place fiercely protective of personal liberties?

Californians are on edge as a cruise ship crisis begins at their shore on Monday. After 21 people on board tested positive, the Grand Princess — part of the same company that runs the Diamond Princess — is to let passengers disembark at the Port of Oakland, to be hospitalized if needed and quarantined if not.

Here are the latest updates and maps of where the virus has spread.

The fatality rate: The World Health Organization has estimated the rate at 3.4 percent, shocking experts — but the real rate is elusive. Here’s why.

Elsewhere:

In China , 10 people have died and dozens are still trapped after a hotel used as a quarantine building collapsed. The owner is under police custody.

New York declared a state of emergency, as the state’s caseload rose to 105 on Sunday from 89 on Saturday. Oregon, with just 14 cases, followed suit on Sunday.

In Iran , where dozens of senior officials are sick, a senior adviser to the supreme leader and a member of Parliament died after contracting the virus.

Saudi Arabia is canceling all classes at schools, universities and technical institutes, and has cut off access to Shiite Muslim towns and villages in the east of the kingdom in an attempt to contain an outbreak there.

What to know: Here’s how to quarantine yourself if you need to; how to protect a family member in a nursing home; and how to stock your pantry in case of closings and restrictions in your area. If you haven’t already, sign up for our coronavirus newsletter.