A customer shops in front of partially empty shelves at a supermarket during the COVID-19 outbreak in Hong Kong, Feb. 28, 2022.

A woman shops at a supermarket in Hong Kong, March 1, 2022.

People buy COVID-19 test kits from a store in Hong Kong, March 1, 2022.

A woman looks at her phone in front of empty shelves at a supermarket in Hong Kong, March 1, 2022.

Empty shelves in a supermarket are seen in Hong Kong, March 1, 2022.

People queue outside a pharmacy in Hong Kong, March 1, 2022.

A woman carries boxes of COVID-19 test kits she bought from a store in Hong Kong, March 1, 2022.

Empty shelves in a supermarket are seen in Hong Kong, March 1, 2022.

A worker (L) refills empty shelves at a supermarket in Hong Kong, March 1, 2022.

A woman wearing a face mask walks past empty shelves for rice as residents worry about a shortage of food and supplies, at a supermarket in Hong Kong, March 1, 2022.

People shop next to empty shelves at a supermarket in Hong Kong, March 1, 2022.

A woman wearing a protective mask walks past a pharmacy selling COVID-19 test kits in Hong Kong, March 1, 2022.

Customers wearing masks shop in front of partially empty shelves at a supermarket during the COVID-19 outbreak in Hong Kong, Feb. 28, 2022.

A shopper walks past empty shelves are at a supermarket in Hong Kong, March 1, 2022.

A man carries boxes of COVID-19 test kits he bought from a store in Hong Kong, March 1, 2022.

People shop next to empty shelves at a supermarket in Hong Kong, March 1, 2022.

A woman shops next to empty shelves at a supermarket in Hong Kong, March 1, 2022.

A man wearing a face mask looks for food next to the empty shelves of fruit as residents fear a fresh food shortage at a market in Hong Kong, Feb. 28, 2022.

A woman wearing a face mask looks at empty shelves as residents worry about a shortage of food and supplies, at a supermarket in Hong Kong, March 1, 2022.

People wearing face masks queue up to buy frozen meat as residents worry about a shortage of food, at a market in Hong Kong, March 1, 2022.

People shop next to empty shelves at a supermarket in Hong Kong, March 1, 2022.

People wearing face masks look at shelves as residents worry about a shortage of food and supplies, at a supermarket in Hong Kong, March 1, 2022.

A man wearing a face mask queues up to buy toilet papers as residents worry about a shortage of supplies, at a market in Hong Kong, March 1, 2022.

A woman wearing a face mask carries toilet paper as residents worry about a shortage of supplies, outside a supermarket in Hong Kong, March 1, 2022.

Customers wearing face masks shop in front of partially empty shelves at a supermarket, ahead of mass COVID-19 testing, in Hong Kong, March 1, 2022.

Empty shelves in a supermarket are seen in Hong Kong, March 1, 2022.