Frozen fish is seen at the seafood section of a supermarket following the coronavirus disease (COVID-19) outbreak in Beijing, China November 26, 2020. Picture taken November 26, 2020. REUTERS/Florence Lo

A woman looks at seafood at a supermarket in Shanghai, China, November 17, 2020. REUTERS/Aly Song

People wearing face masks look at seafood at a supermarket amid the global outbreak of the coronavirus disease (COVID-19) in Shanghai, China, November 17, 2020. REUTERS/Aly Song

A customer shops for seafood at a supermarket in Shanghai, China, November 17, 2020. REUTERS/Aly Song

A staff member stocks up seafood products at a supermarket, following an outbreak of the coronavirus disease (COVID-19) in Beijing, China November 11, 2020. Picture taken November 11, 2020. REUTERS/Thomas Peter

A staff member lays out seafood at a supermarket following an outbreak of the coronavirus disease (COVID-19) in Beijing, China November 11, 2020. Picture taken November 11, 2020. REUTERS/Thomas Peter

A waiter tends to patrons in the Mediterranean seafood restaurant Estiatorio Milos at the Hudson Yards as restaurants resumed indoor dining at 25 percent capacity due to the coronavirus disease (COVID-19) in Manhattan, New York City, U.S., September 30, 2020. REUTERS/Andrew Kelly

A waiter fills a glass in the Mediterranean seafood restaurant Estiatorio Milos at the Hudson Yards as restaurants resumed indoor dining at 25 percent capacity due to the coronavirus disease (COVID-19) in Manhattan, New York City, U.S., September 30, 2020. REUTERS/Andrew Kelly

People sit in the Mediterranean seafood restaurant Estiatorio Milos at the Hudson Yards as restaurants resumed indoor dining at 25 percent capacity due to the coronavirus disease (COVID-19) in Manhattan, New York City, U.S., September 30, 2020. REUTERS/Andrew Kelly

A Sijimei seafood market building is pictured, following the coronavirus disease (COVID-19) outbreak in Wuhan, Hubei province, China September 2, 2020. Picture taken September 2, 2020. REUTERS/Aly Song

Vendors carry sea fish at Sijimei seafood market, following the coronavirus disease (COVID-19) outbreak in Wuhan, Hubei province, China September 2, 2020. Picture taken September 2, 2020. REUTERS/Aly Song

A blocked entrance to Huanan seafood market, where the coronavirus that can causes COVID-19 is believed to have first surfaced, in Wuhan, Hubei province, China September 2, 2020. Picture taken September 2, 2020. REUTERS/Aly Song

A man sits at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

A man works at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

A man eats during lunch break at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

A woman works at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

A man works at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

Women chat at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

A man works at a fish and seafood stall at a wet market following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

A man buys seafood at a wet market stall following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 14, 2020. REUTERS/Thomas Peter

People look at fresh seafood in a supermarket following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 13, 2020. REUTERS/Thomas Peter

Etta Burrell, owner of Etta's Seafood Kitchen, stands outside her restaurant at Brixton Village, as the outbreak of the coronavirus disease (COVID-19) continues to affect businesses, in London, Britain July 14, 2020. Picture taken July 14, 2020. REUTERS/Dylan Martinez

Customers wearing face masks are seen at a live seafood section inside a supermarket, following a new outbreak of the coronavirus disease (COVID-19), in Beijing, China June 20, 2020. Picture taken June 20, 2020. REUTERS/Tingshu Wang

A staff member attends to a customer at a live seafood section inside a supermarket, following a new outbreak of the coronavirus disease (COVID-19), in Beijing, China June 20, 2020. Picture taken June 2020. REUTERS/Tingshu Wang

Frozen seafood products made of imported shrimps are seen inside a sealed freezer at a supermarket following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 19, 2020. REUTERS/Carlos Garcia Rawlins

A woman wearing a face mask is seen reflected on a glass door of freezers containing frozen seafood products that have been sealed, at a supermarket following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 19, 2020. REUTERS/Carlos Garcia Rawlins

A man wearing a face mask walks past sealed freezers containing seafood products at a supermarket following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 19, 2020. REUTERS/Carlos Garcia Rawlins

Customers wearing face masks shop live seafood at a Carrefour supermarket, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Frozen seafood products made from imported salmon are seen at a Carrefour supermarket, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Customers wearing face masks walk past live seafood section in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A customer wearing a face mask looks at live seafood in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A staff member talks to a customer at a seafood section in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Customers wearing face masks look at frozen seafood products in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Seafood is seen for sale at a fish market following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 17, 2020. REUTERS/Loren Elliott

Seafood is seen for sale at a fish market following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 17, 2020. REUTERS/Loren Elliott

An employee removes seafood from a case at a fish market following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 17, 2020. REUTERS/Loren Elliott

A vendor wearing a face mask prepares seafood at their stall inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Vendors wearing face masks move seafood at their stall inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Vendors wearing face masks wait for customers at a seafood stall inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A vendor wearing a face mask sells seafood at a market amid the spread of the coronavirus disease (COVID-19) in Samut Songkhram province, Thailand, June 15, 2020. Picture taken June 15, 2020. REUTERS/Athit Perawongmetha

People wearing face mask shop for seafood at a market amid the spread of the coronavirus disease (COVID-19) in Samut Songkhram province, Thailand, June 15, 2020. Picture taken June 15, 2020. REUTERS/Athit Perawongmetha

A man wearing a face mask looks at prawns displayed at the seafood section of a supermarket following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 15, 2020. REUTERS/Tingshu Wang

An empty sashimi counter is seen next to seafood at a supermarket following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 15, 2020. REUTERS/Tingshu Wang

An empty sashimi counter is seen next to live seafood at a supermarket following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 15, 2020. REUTERS/Tingshu Wang

People are wearing face masks inside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China, June 12, 2020. REUTERS/Thomas Peter

People are wearing face masks inside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China, June 12, 2020. REUTERS/Thomas Peter

People are wearing face masks inside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China, June 12, 2020. REUTERS/Thomas Peter

Security guards wearing face masks stand outside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China June 12, 2020. REUTERS/Thomas Peter

A security guard wearing a face mask tries to block the camera outside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China June 12, 2020. REUTERS/Thomas Peter

Security guards wearing face masks stand outside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China June 12, 2020. REUTERS/Thomas Peter

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, talks with a seafood market owner in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020. Picture taken May 17,2020. REUTERS/Jeenah Moon

Men, who's job it is to transport seafood between boats and Caraguay market, wait on some steps as they work during the coronavirus disease (COVID-19) outbreak, in Guayaquil, Ecuador, April 21, 2020. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A man who's job it is to transport seafood between boats and Caraguay market, carries a pallet of crabs to Caraguay Market, during the coronavirus disease (COVID-19) outbreak, in Guayaquil, Ecuador, April 21, 2020. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A worker stands outside of Pier 424 Seafood Market after restrictions were eased from two months under the coronavirus disease (COVID-19) lockdown, including allowing for 25 percent of permitted occupancy in stores and restaurants, in New Orleans, Louisiana, U.S., May 16, 2020. REUTERS/Kathleen Flynn

Staff wear protective face masks as they work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Veronique Gillardeau, CEO of Blanc, poses in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Staff wear protective face masks as they work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Mackerels are displayed in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Staff wearing a face shields work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Staff work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier