Waiter Orlando Perez shows the area where he normally works with tourists amid the outbreak of the coronavirus disease (COVID-19), at the Santa Maria beach in Havana, Cuba, April 1, 2021. REUTERS/Alexandre Meneghini

A waiter wearing a protective face mask serves customers at Barceloneta beach, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain April 1, 2021. REUTERS/Nacho Doce

A sign requiring the wearing of a protective face mask is seen as a waiter stands outside a restaurant in Manhasset, New York, U.S. March 29, 2021. REUTERS/Shannon Stapleton

A waiter brings a menu in Chinatown amid the coronavirus disease (COVID-19) pandemic in New York City, New York, U.S., March 25, 2021. REUTERS/Carlo Allegri

A waiter tends to customers at the terrace of a restaurant, amid the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, March 22, 2021. REUTERS/Susana Vera

A waiter speaks to customers at the terrace of a restaurant, amid the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, March 22, 2021. REUTERS/Susana Vera

Christian, Uruguayan waiter and co-owner of the terrace bar "Zu Krone" serves customers in Playa de Palma beach in Palma de Mallorca following Berlin's lifted quarantine requirement for travelers returning from the Balearic Islands, amid the coronavirus disease (COVID-19) pandemic, Spain March 22, 2021. REUTERS/Enrique Calvo

Christian, Uruguayan waiter and co-owner of the terrace bar "Zu Krone" serves German customers in Playa de Palma beach in Palma de Mallorca following Berlin's lifted quarantine requirement for travelers returning from the Balearic Islands, amid the coronavirus disease (COVID-19) pandemic, Spain March 22, 2021. REUTERS/Enrique Calvo

A waiter works at the terrace of a bar, amid the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, March 12, 2021. REUTERS/Juan Medina TPX IMAGES OF THE DAY

A waiter serves customers at the terrace of a bar, amid the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, March 12, 2021. REUTERS/Juan Medina

A waiter serves customers at the terrace of a bar, amid the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, March 12, 2021. REUTERS/Juan Medina

A waiter serves customers at Picos Restaurant, which received threats following their announcement of continuing to require masks, as the state of Texas prepares to lift its mask mandate and reopen businesses to full capacity during the coronavirus disease (COVID-19) pandemic in Houston, Texas, U.S., March 9, 2021. REUTERS/Callaghan O'Hare REFILE - QUALITY REPEAT

A waiter grabs a menu at Picos Restaurant, which received threats following their announcement of continuing to require masks, as the state of Texas prepares to lift its mask mandate and reopen businesses to full capacity during the coronavirus disease (COVID-19) pandemic in Houston, Texas, U.S., March 9, 2021. REUTERS/Callaghan O'Hare REFILE - QUALITY REPEAT

A waiter wears a mask at Picos Restaurant, which received threats following their announcement of continuing to require masks, as the state of Texas prepares to lift its mask mandate and reopen businesses to full capacity during the coronavirus disease (COVID-19) pandemic in Houston, Texas, U.S., March 9, 2021. REUTERS/Callaghan O'Hare REFILE - QUALITY REPEAT

A woman talks to a waiter as he serves her a mimosa drink during spring break festivities, amid the coronavirus disease (COVID-19) outbreak in Miami Beach, Florida, U.S., March 6, 2021. REUTERS/Marco Bello

A family of Polish tourists watches as a waiter prepares to close a coffee shop due to the closing restrictions in an effort to control the spread of the coronavirus disease (COVID-19) as they tour the city of Ronda, southern Spain February 25, 2021. REUTERS/Jon Nazca

A waiter places food inside a box attached to AI-powered robot Ariel for delivery to a guest at the Hotel Sky, the first in Africa to use automated attendants, in Johannesburg, South Africa, February 9, 2021. Picture taken February 9, 2021. REUTERS/Sumaya Hisham

A waiter serves a customer outside Padi House restaurant for 'dine in car' service, during a lockdown due to the coronavirus disease (COVID-19) outbreak, in Cyberjaya, Malaysia February 4, 2021. REUTERS/Lim Huey Teng

A waiter serves a customer outside Padi House restaurant for 'dine in car' service, during a lockdown due to the coronavirus disease (COVID-19) outbreak, in Cyberjaya, Malaysia February 4, 2021. REUTERS/Lim Huey Teng

A waiter comes out of "Igloo Cafe", a cafe prepared with snow and ice, after serving customers at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo TPX IMAGES OF THE DAY

A waiter wears a protective mask as he works, amid the outbreak of the coronavirus disease (COVID-19), in Naples, Italy, January 26, 2021. REUTERS/Ciro De Luca

Waiters wait for customers along tables placed on the street outside a restaurant, during the gradual reopening of restaurant activities after the city government implemented new measures to prevent the spread of the coronavirus disease (COVID-19) in Mexico City, Mexico January 18, 2021. REUTERS/Henry Romero

A waiter attends customers on tables placed on the terrace of the restaurant, during the gradual reopening of restaurant activities after the city government implemented new measures to prevent the spread of the coronavirus disease (COVID-19) in Mexico City, Mexico January 18, 2021. REUTERS/Henry Romero

A waiter attends to customers on tables placed on the street outside the restaurant, during the gradual reopening of restaurant activities after the city government implemented new measures to prevent the spread of the coronavirus disease (COVID-19) in Mexico City, Mexico January 18, 2021. REUTERS/Henry Romero

A waiter carries dishes from outdoor seating inside as indoor dining reopens in a limited capacity to reduce the spread of coronavirus disease (COVID-19) in Philadelphia, Pennsylvania, U.S., January 16, 2021. REUTERS/Hannah Beier TPX IMAGES OF THE DAY

A waiter takes an order as indoor dining reopens in a limited capacity to reduce the spread of coronavirus disease (COVID-19) in Philadelphia, Pennsylvania, U.S., January 16, 2021. REUTERS/Hannah Beier

A waiter wearing a protective face mask waits for clients to come for take away food at a bar on Las Ramblas, after Catalonia's government imposed new restrictions in effort to control the spread of the coronavirus disease (COVID-19), in Barcelona, Spain January 16, 2021. REUTERS/Nacho Doce

A waiter serves a dish in a restaurant as owners open their businesses to the public as part of a nationwide protest against the ongoing curbs, amid the coronavirus disease (COVID-19) outbreak, in Milan, Italy January 15, 2021. REUTERS/Flavio Lo Scalzo

A waiter, wearing a protective face mask, picks up a sweet takeaway at a bakery in the Gothic Quartier, after Catalonia's government imposed new restrictions in an effort to control the spread of the coronavirus disease (COVID-19) in Barcelona, Spain January 8, 2021. REUTERS/Nacho Doce

Waiters wear face shields as they wait for customers on New Year's Eve during the coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand December 31, 2020. REUTERS/Soe Zeya Tun

A waiter clears tables at a restaurant in Soho, as the spread of the coronavirus disease (COVID-19) continues in London, Britain, December 15, 2020. REUTERS/Henry Nicholls

Waiters clear drinks at a table after last orders before pubs shut due to tier 3 restrictions in Soho, as the spread of the coronavirus disease (COVID-19) continues in London, Britain, December 15, 2020. REUTERS/Henry Nicholls

A waiter packs tables and chairs at a pub in Soho, as the spread of the coronavirus disease (COVID-19) continues in London, Britain, December 15, 2020. REUTERS/Henry Nicholls

A waiter clears up drinks at a pub in Soho, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, December 15, 2020. REUTERS/Henry Nicholls

A waiter clears tables at a pub in Soho, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, December 15, 2020. REUTERS/Henry Nicholls

A waiter works at a pub in Soho, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, December 15, 2020. REUTERS/Henry Nicholls

A waiter sets a table in a plastic bubble on the sidewalk outside the Olympic Flame Diner during the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., December 15, 2020. REUTERS/Carlo Allegri

A waiter sets a table in a plastic bubble on the sidewalk outside the Olympic Flame Diner during the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., December 15, 2020. REUTERS/Carlo Allegri

A waiter sets a table in a plastic bubble on the sidewalk outside the Olympic Flame Diner during the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., December 15, 2020. REUTERS/Carlo Allegri

A waiter works at a restaurant following the coronavirus disease (COVID-19) outbreak in London, Britain, December 15, 2020. REUTERS/Hannah McKay

A waiter works at a restaurant following the coronavirus disease (COVID-19) outbreak in London, Britain, December 15, 2020. REUTERS/Hannah McKay

A waiter takes plates away as people enjoy drinks outside at Covent Garden, following the coronavirus disease (COVID-19) outbreak in London, Britain, December 15, 2020. REUTERS/Hannah McKay

A waiter takes the order as people sit outdoors at Covent Garden, following the coronavirus disease (COVID-19) outbreak in London, Britain, December 15, 2020. REUTERS/Hannah McKay

A Palestinian waiter, dressed as Santa Claus, serves customers at "Maldive Gaza" cafe on a beach in Gaza City, December 9, 2020. Picture taken December 9, 2020. REUTERS/Mohammed Salem

A Palestinian waiter, dressed as Santa Claus, takes an order at "Maldive Gaza" cafe on a beach in Gaza City, December 9, 2020. Picture taken December 9, 2020. REUTERS/Mohammed Salem

A Palestinian waiter, dressed as Santa Claus, takes an order at "Maldive Gaza" cafe on a beach in Gaza City, December 9, 2020. Picture taken December 9, 2020. REUTERS/Mohammed Salem TPX IMAGES OF THE DAY

A Palestinian waiter, dressed as Santa Claus, carries a girl as they pose for a picture at "Maldive Gaza" cafe on a beach in Gaza City, December 9, 2020. Picture taken December 9, 2020. REUTERS/Mohammed Salem

A waiter waits customers as Chile's health authorities announced a fresh lockdown from next Thursday after coronavirus disease (COVID-19) cases spiked in Santiago, Chile December 9, 2020. REUTERS/Ivan Alvarado

A waiter sets a table inside a transparent pod offered for private Christmas meals with backdrop of the Kremlin and Red Square on the rooftop of Ritz-Carlton hotel in Moscow, Russia December 8, 2020. Picture taken December 8, 2020. REUTERS/Maxim Shemetov

A waiter sets a table inside a transparent pod offered for private Christmas meals with backdrop of the Kremlin and Red Square on the rooftop of Ritz-Carlton hotel in Moscow, Russia December 8, 2020. Picture taken December 8, 2020. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY

A waiter stands outside a transparent pod offered for private Christmas meals with backdrop of the Kremlin and Red Square on the rooftop of Ritz-Carlton hotel in Moscow, Russia December 8, 2020. Picture taken December 8, 2020. REUTERS/Maxim Shemetov

A waiter walks past transparent pods offered for private Christmas meals with backdrop of the Kremlin and Red Square on the rooftop of Ritz-Carlton hotel in Moscow, Russia December 8, 2020. Picture taken December 8, 2020. REUTERS/Maxim Shemetov

A waiter holds a tray with Nestle plant based sausages of the Harvest Gourmet line during the launch event in Beijing, China, December 9, 2020. REUTERS/Thomas Peter

Employees of restaurants, bars and owners of liquor stores take part in a protest against the restrictions amid the coronavirus disease (COVID-19) outbreak in Istanbul, Turkey, November 27, 2020. The banners read: "I am a waiter and I can't work. I can't make a living" REUTERS/Umit Bektas

Employees of restaurants, bars and owners of liquor stores take part in a protest against the restrictions amid the coronavirus disease (COVID-19) outbreak in Istanbul, Turkey, November 27, 2020. The banners read: "I am a waiter and I can't work." REUTERS/Umit Bektas

Waiters work as customers sit in the outdoor seating section of Zurich bar at Catalunya square, after Spain's Catalonia region allowed bars, restaurants, gyms and cinemas to reopen from Monday, gradually easing some of the restrictions put in place to tackle the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, November 23, 2020. REUTERS/Nacho Doce

A waiter wearing a face mask serves guests of the Les Quinze Nits restaurant on Real square, after Spain's Catalonia region allowed bars, restaurants, gyms and cinemas to reopen from Monday, gradually easing some of the restrictions put in place to tackle the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, November 23, 2020. REUTERS/Nacho Doce

A waiter wearing a face mask prepares a table at the terrace of the Les Quinze Nits restaurant on Real square, after Spain's Catalonia region allowed bars, restaurants, gyms and cinemas to reopen from Monday, gradually easing some of the restrictions put in place to tackle the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, November 23, 2020. REUTERS/Nacho Doce

A waiter stands behind the counter at the Zurich bar at Catalunya square, after Spain's Catalonia region allowed bars, restaurants, gyms and cinemas to reopen from Monday, gradually easing some of the restrictions put in place to tackle the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, November 23, 2020. REUTERS/Nacho Doce

A waiter stands at the entrance of the Zurich bar at Catalunya square, after Spain's Catalonia region allowed bars, restaurants, gyms and cinemas to reopen from Monday, gradually easing some of the restrictions put in place to tackle the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, November 23, 2020. REUTERS/Nacho Doce