People sit next to empty oxygen tanks as they wait to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A man writes the name of a patient suffering from the coronavirus disease (COVID-19) on an empty oxygen tank while waiting along with others for a private oxygen supplier to refill them, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A person stands near empty oxygen tanks while waiting along with others to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A man drags an empty oxygen tank as he and others are waiting to refill it for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People sit near empty oxygen tanks while waiting to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

Empty oxygen tanks are seen as people wait to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A worker from a private oxygen supplier disinfects empty oxygen tanks as people wait to fill them up for patients suffering from the coronavirus disease (COVID-19), in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People wait next to empty oxygen tanks to fill them up for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda TPX IMAGES OF THE DAY

People stand with empty oxygen tanks while waiting to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People wait next to empty oxygen tanks to fill them up for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People arrive to fill up an empty oxygen tank for a patient suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People wait next to empty oxygen tanks to fill them up for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

Nordic Skiing - FIS Nordic World Ski Championships - Oberstdorf, Germany - February 24, 2021 Peru's Jaime Luis Huerta Osorio in action during the Men's Cross Country 10km Qualification Race REUTERS/Kai Pfaffenbach

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Peru's Ornella Oettl Reyes reacts after her run in the Women's Slalom REUTERS/Leonhard Foeger

A health worker gives a dose of the Sinopharm coronavirus disease (COVID-19) vaccine to a medical staff member at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

Medical staff members wait to receive the first injection with a a dose of the Sinopharm coronavirus disease (COVID-19) vaccine at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

A medical staff member waits to receive the first injection with a a dose of the Sinopharm coronavirus disease (COVID-19) vaccine at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

Soldiers stand guard as medical staff members wait to receive the first injection with a a dose of the Sinopharm coronavirus disease (COVID-19) vaccine at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

Medical staff members wait to receive the first injection with a a dose of the Sinopharm coronavirus disease (COVID-19) vaccine at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

Medical staff members wait to receive the first injection with a a dose of the Sinopharm coronavirus disease (COVID-19) vaccine at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

Health workers give intructions before administering a dose of the Sinopharm coronavirus disease (COVID-19) vaccine to medical staff members at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

A health worker give a dose of the Sinopharm coronavirus disease (COVID-19) vaccine to a medical staff member at the stadium Ollantaytambo in Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

A health worker give a dose of the Sinopharm coronavirus disease (COVID-19) vaccine to a medical staff member at the stadium Ollantaytamboin Lima, Peru February 19, 2021. REUTERS/Sebastian Castaneda

A healthcare worker wearing personal protective equipment (PPE) takes a swab sample from a woman for the coronavirus disease (COVID-19) test in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

A healthcare worker wearing personal protective equipment (PPE) checks a woman for the coronavirus disease (COVID-19) in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

A healthcare worker wearing personal protective equipment (PPE) checks a woman for the coronavirus disease (COVID-19) in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

A healthcare worker wearing personal protective equipment (PPE) takes a swab sample from a woman for the coronavirus disease (COVID-19) test in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

Soldiers keep watch in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus disease (COVID-19), in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

Healthcare workers wearing personal protective equipment (PPE) check the result of tests for the coronavirus disease (COVID-19) in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

A healthcare worker wearing personal protective equipment (PPE) takes a swab sample from a woman for the coronavirus disease (COVID-19) in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

Soldiers keep watch as a healthcare worker wearing personal protective equipment (PPE) talks to a man in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus disease (COVID-19), in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

A healthcare worker wearing personal protective equipment (PPE) takes a swab sample from a woman for the coronavirus disease (COVID-19) in Cantagallo, an indigenous Shipibo-Conibo community, during the vaccination campaign against the coronavirus, in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

Healthcare workers wearing personal protective equipment (PPE) stand in formation at Cantagallo, an indigenous Shipibo-Conibo community, before the kick off of the vaccination campaign against the coronavirus disease (COVID-19), in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

A soldier talks to a healthcare worker wearing personal protective equipment (PPE) at Cantagallo, an indigenous Shipibo-Conibo community, before the kick off of the vaccination campaign against the coronavirus disease (COVID-19), in Lima, Peru February 19, 2021. REUTERS/Angela Ponce

Virgilio Martinez (R), chef and owner of Central, and his staff work at the restaurant during the COVID-19 pandemic in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

A server attends to guests at restaurant Central during the COVID-19 pandemic in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

A chef (L) of Central works in the kitchen as Virgilio Martinez, chef and owner of Central, talks to Reuters at his restaurant during the COVID-19 pandemic in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

Virgilio Martinez, chef and owner of Central, poses for a photograph at his restaurant during the COVID-19 pandemic in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

Guests sit at a table at restaurant Central during the COVID-19 pandemic in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

Staff prepare dishes at restaurant Central in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

Virgilio Martinez, chef and owner of Central, prepares a dish at his restaurant during the COVID-19 pandemic in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

A dish based on mashuas (Peruvian Andean tuber) and goat's neck accompanied with herbs, called "Bosque de Loma" is seen in the kitchen of restaurant Central in Lima, Peru January 28, 2021. Picture taken January 28, 2021. REUTERS/Angela Ponce

Veterinarian Peru Lopez de Munain talks to his brother Carlos and wife Pili in Erregoitia, Spain, February 7, 2021. Picture taken February 7, 2021. REUTERS/Vincent West

A health worker waits for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

A health worker prepares a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine, in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda TPX IMAGES OF THE DAY

Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Vials of the Sinopharm's coronavirus disease (COVID-19) vaccine are pictured in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Vials of the Sinopharm's coronavirus disease (COVID-19) vaccine are pictured in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Vials of the Sinopharm's coronavirus disease (COVID-19) vaccine are pictured in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

A vial of the Sinopharm's coronavirus disease (COVID-19) vaccine is pictured in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

Health workers wait for a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

A health worker holds for the camera a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

A health worker prepares a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine, in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

A health care worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, in Lima, Peru, February 9, 2021. REUTERS/Sebastian Castaneda

People stand next to empty oxygen tanks to save spots in the queue, as the supplier refills a tank per person and attends only up to 60 people a day, during the outbreak of the coronavirus disease (COVID-19), in Callao, Peru February 4, 2021. Picture taken February 4, 2021. REUTERS/Sebastian Castaneda

A person sleeps next to empty oxygen tanks to save a spot in the queue, as the supplier refills a tank per person and attends only up to 60 people a day, during the outbreak of the coronavirus disease (COVID-19), in Callao, Peru February 4, 2021. Picture taken February 4, 2021. REUTERS/Sebastian Castaneda