With borders slamming shut, schools and businesses closing and increasingly drastic restrictions on movement, tens of millions of people are heeding government calls to isolate themselves and slow the spread of the new coronavirus.
From Southeast Asia to Europe to the Americas, people found their lives upended.
Shoppers in Malaysia stood in long lines to stock up at picked-over supermarkets. Commuters in the Philippines waited in huge traffic jams at checkpoints set up to take their temperatures before entering the capital city.
Officials in San Francisco issued a sweeping shelter-in-place mandate, ordering millions of residents to stay at home.