Tareq Abu Assaleh shows his freezer containing bread and other food at his home in Damascus, Syria September 16, 2021. Picture taken September 16, 2021. REUTERS/Yamam al Shaar

A view of a freezer which stores large quantities of vaccines at its advanced cold and ultra-cold storage hub in Abu Dhabi, UAE, September 1, 2021. Picture taken September 1, 2021. REUTERS/Vidhyaa Chandramohan

Robert Sutton, Head of the Logistics Cluster at Abu Dhabi Ports, is seen in the UAE's largest freezer centre, where temperatures are set for the various vaccines stored at the facility, Abu Dhabi, UAE, September 1, 2021. Picture taken September 1, 2021. REUTERS/Vidhyaa Chandramohan

A medical official carries a body of a coronavirus disease (COVID-19) victim from a freezer storage inside a container to a trolley at the Judicial Medical Officer's premises in Colombo, Sri Lanka August 20, 2021. REUTERS/Dinuka Liyanawatte

A medical official carries a body of a coronavirus disease (COVID-19) victim from a freezer storage inside a container to a trolley at the Judicial Medical Officer's premises in Colombo, Sri Lanka August 20, 2021. REUTERS/Dinuka Liyanawatte

Medical officials carry a body of a suspected coronavirus disease (COVID-19) victim from a freezer storage inside a container to a trolley at the Judicial Medical Officer's premises in Colombo, Sri Lanka, August 6, 2021. REUTERS/Dinuka Liyanawatte

A medical official carries a body of a suspected coronavirus disease (COVID-19) victim from a freezer storage inside a container to a trolley at the Judicial Medical Officer's premises in Colombo, Sri Lanka, August 6, 2021. REUTERS/Dinuka Liyanawatte

A medical official carries a body of a suspected coronavirus disease (COVID-19) victim from a freezer storage inside a container to a trolley at the Judicial Medical Officer's premises in Colombo, Sri Lanka, August 6, 2021. REUTERS/Dinuka Liyanawatte

Medical officials carry bodies of suspected coronavirus disease (COVID-19) victims from a freezer storage inside a container to a trolley at the Judicial Medical Officer's premises in Colombo, Sri Lanka, August 6, 2021. REUTERS/Dinuka Liyanawatte

Seeds are kept in a freezer at John T. Harrington Forestry Research Center in Mora, New Mexico, U.S., July 26, 2021. Picture taken July 26, 2021. REUTERS/Adria Malcolm

Seeds are kept in a freezer at John T. Harrington Forestry Research Center in Mora, New Mexico, U.S., July 26, 2021. Picture taken July 26, 2021. REUTERS/Adria Malcolm

Packages of frozen dumplings are displayed for sale in a freezer at the Brooklyn Dumpling Shop in Manhattan in New York City, New York, U.S., May 19, 2021. Picture taken May 19, 2021. REUTERS/Brendan McDermid

European Commission President Ursula von der Leyen, Pfizer CEO Albert Bourla and Belgium's Prime Minister Alexander De Croo watch workers moving boxes of vaccines from a freezer during a visit at the factory of U.S. pharmaceutical company Pfizer in Puurs, Belgium April 23, 2021. John Thys /Pool via REUTERS

European Commission President Ursula von der Leyen, Pfizer CEO Albert Bourla and Belgium's Prime Minister Alexander De Croo watch workers moving boxes of vaccines from a freezer during a visit at the factory of U.S. pharmaceutical company Pfizer in Puurs, Belgium April 23, 2021. John Thys /Pool via REUTERS

Mexican marine soldiers stand guard next to the freezers containing the Sputnik V coronavirus disease (COVID-19) vaccines in Xochimilco on the outskirts of Mexico City, Mexico March 3, 2021. REUTERS/Edgard Garrido

A member of the security looks at the freezers at the Biovac coronavirus disease (COVID-19) vaccine storage facility in Johannesburg, South Africa, March 2, 2021. REUTERS/Siphiwe Sibeko

An empty freezer at a Trader Joe's supermarket, low on supplies due to inclement weather, is seen in Metairie, Louisiana, U.S. February 18, 2021. REUTERS/Scott Balling

A Palestinian worker stores in a freezer coronavirus disease (COVID-19) vaccines, at a warehouse run by the ministry of health in Gaza City February February 17, 2021. REUTERS/Mohammed Salem

The Pfizer-BioNTech coronavirus disease (COVID-19) vaccine is taken out of the Ultra-Cold freezer at Skippack Pharmacy in Schwenksville, Pennsylvania, U.S., February 11, 2021. REUTERS/Hannah Beier

The Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19) is taken out of the Ultra-Cold freezer at Skippack Pharmacy in Schwenksville, Pennsylvania, U.S., February 11, 2021. REUTERS/Hannah Beier

The Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19) is taken out of the Ultra-Cold freezer at Skippack Pharmacy in Schwenksville, Pennsylvania, U.S., February 11, 2021. REUTERS/Hannah Beier

The screen of an ultra-low temperature freezer, where the vaccines against the coronavirus disease (COVID-19) will be stored, indicates a temperature of -75 degrees Celsius as it is seen inside a warehouse of the Ministry of Health of Colombia, in Bogota, Colombia January 19, 2021. REUTERS/Luisa Gonzalez

An ultra-low temperature freezer, where the vaccines against the coronavirus disease (COVID-19) will be stored, is seen inside a warehouse of the Colombian Ministry of Health, in Bogota, Colombia January 19, 2021. REUTERS/Luisa Gonzalez

Ultra-low temperature freezers, where the vaccines against the coronavirus disease (COVID-19) will be stored, are seen inside a warehouse of the Colombian Ministry of Health, in Bogota, Colombia January 19, 2021. REUTERS/Luisa Gonzalez

An ultra-low temperature freezer, where the vaccines against the coronavirus disease (COVID-19) will be stored, is seen inside a warehouse of the Colombian Ministry of Health, in Bogota, Colombia January 19, 2021. REUTERS/Luisa Gonzalez

An ultra-low temperature freezer, where the vaccines against the coronavirus disease (COVID-19) will be stored, is seen inside a warehouse of the Colombian Ministry of Health, in Bogota, Colombia January 19, 2021. REUTERS/Luisa Gonzalez

Ultra-low temperature freezers, where the vaccines against the coronavirus disease (COVID-19) will be stored, are seen inside a warehouse of the Colombian Ministry of Health, in Bogota, Colombia January 19, 2021. REUTERS/Luisa Gonzalez

A digital display shows a negative temperature on one of the newly acquired ultra low temperature freezers inside the National Strategic Cold Store in Abuja, Nigeria January 19, 2021. REUTERS/Afolabi Sotunde

Kubura Daradara, Director Logistics and Health Commodities at the National Primary HealthCare Development Agency (NPHCDA) opens one of the newly acquired ultra low temperature freezers inside the National Strategic Cold Store in Abuja, Nigeria January 19, 2021. REUTERS/Afolabi Sotunde

A digital display shows a negative temperature on one of the newly acquired ultra low temperature freezers inside the National Strategic Cold Store in Abuja, Nigeria January 19, 2021. REUTERS/Afolabi Sotunde

Ice core samples from a glacier are kept in a negative thirty degree freezer at the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Ice core samples from a glacier are kept in a negative thirty degree freezer at the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Ice core samples from a glacier are kept in a negative thirty degree freezer at the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Lonnie Thompson, professor and research scientist at The Ohio State University, stands in a negative thirty degree freezer where ice core samples from a glaciers are kept in the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Lonnie Thompson, professor and research scientist at The Ohio State University, puts on cold-weather gear to enter a negative thirty degree freezer where ice core samples from a glacier are kept in the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Ice core samples from a glacier are kept in a negative thirty degree freezer at the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Lonnie Thompson, professor and research scientist at The Ohio State University, puts on cold-weather gear to enter a negative thirty degree freezer where ice core samples from a glacier are kept in the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Lonnie Thompson, professor and research scientist at The Ohio State University, stands in a negative thirty degree freezer where ice core samples from a glaciers are kept in the Byrd Polar and Climate Research Center in Columbus, Ohio, U.S., January 15, 2021. The Byrd Polar and Climate Research Center gathers and studies the history of the Earth's climate as it's recorded in ice cores from glaciers around the world. Picture taken January 15, 2021. REUTERS/Megan Jelinger

Vials of the Pfizer-BioNTech COVID-19 vaccine are seen in an ultra low temperature freezer at a hospital in Gonesse, as part of the coronavirus disease vaccination campaign in France, January 15, 2021. REUTERS/Benoit Tessier

Vials of the Pfizer-BioNTech COVID-19 vaccine are seen in an ultra low temperature freezer at a hospital in Gonesse, as part of the coronavirus disease vaccination campaign in France, January 15, 2021. REUTERS/Benoit Tessier

A freezer where vials of the Pfizer-BioNTech COVID-19 vaccine are stored at an ultra low temperature is seen at a hospital in Gonesse, as part of the coronavirus disease vaccination campaign in France, January 15, 2021. REUTERS/Benoit Tessier

Vials of the Pfizer-BioNTech Covid-19 vaccine are pictured in an ultra low temperature freezer at the hospital in Le Mans, as part of the coronavirus disease (COVID-19) vaccination campaign in France, January 14, 2021. REUTERS/Stephane Mahe

Vials of the Pfizer-BioNTech Covid-19 vaccine are pictured in an ultra low temperature freezer at the hospital in Le Mans, as part of the coronavirus disease (COVID-19) vaccination campaign in France, January 14, 2021. REUTERS/Stephane Mahe

A box with vials of the Pfizer-BioNTech Covid-19 vaccines is pictured in an ultra low temperature freezer at the hospital in Le Mans, as part of the coronavirus disease (COVID-19) vaccination campaign in France, January 14, 2021. REUTERS/Stephane Mahe

Vials of the Pfizer-BioNTech Covid-19 vaccine are pictured in an ultra low temperature freezer at the hospital in Le Mans, as part of the coronavirus disease (COVID-19) vaccination campaign in France, January 14, 2021. REUTERS/Stephane Mahe

A pharmacist, wearing a protective face mask, opens an ultra low temperature freezer containing boxes with vials of the Pfizer-BioNTech Covid-19 vaccine at the hospital in Le Mans, as part of the coronavirus disease (COVID-19) vaccination campaign in France, January 14, 2021. REUTERS/Stephane Mahe

Vials of the Pfizer-BioNTech Covid-19 vaccine are seen in an ultra low temperature freezer at the hospital in Le Mans, as part of the coronavirus disease (COVID-19) vaccination campaign in France, January 14, 2021. REUTERS/Stephane Mahe

A member of a German Red Cross mobile vaccination team takes a box with the Pfizer-BioNTech COVID-19 vaccine out of a freezer as the team leaves to vaccinate employees and inhabitants of a retirement nursery in Dillenburg, Germany, January 7, 2021. REUTERS/Kai Pfaffenbach

An employee stands near freezers containing Pfizer's vaccination against the coronavirus disease (COVID-19) as he works at SLE, a unit of Teva Pharmaceuticals, near Shoham, Israel January 4, 2021. Picture taken January 4, 2021. REUTERS/Ronen Zvulun

An employee holds the handle of a freezer containing Pfizer's vaccination against the coronavirus disease (COVID-19) as he works at SLE, a unit of Teva Pharmaceuticals, near Shoham, Israel January 4, 2021. Picture taken January 4, 2021. REUTERS/Ronen Zvulun

An employee opens a freezer containing Pfizer's vaccination against the coronavirus disease (COVID-19) as he works at SLE, a unit of Teva Pharmaceuticals, near Shoham, Israel January 4, 2021. Picture taken January 4, 2021. REUTERS/Ronen Zvulun

Freezer trawlers 'Halten-bank' and 'Cap Nord' are docked at Boulogne-sur-Mer after Britain and the European Union brokered a last-minute post-Brexit trade deal, northern France, December 28, 2020. Picture taken December 28, 2020. REUTERS/Charles Platiau

Freezer trawlers 'Halten-bank' and 'Cap Nord' are seen behind the customs patrol vessel 'Jacques Oudart Fourmantin' docked at Boulogne-sur-Mer after Britain and the European Union brokered a last-minute post-Brexit trade deal, northern France, December 28, 2020. Picture taken December 28, 2020. REUTERS/Charles Platiau

A worker cleans the freezer at QFX Cinemas as they prepare to reopen from December 25 after nine months of closure, amidst the outbreak of the coronavirus disease (COVID-19), in Kathmandu, Nepal December 23, 2020. REUTERS/Navesh Chitrakar

High negative temperature freezers are pictured in a warehouse which will be used as a logistic hub for COVID-19 vaccine distribution, in the Paris' suburban city of Chanteloup-en-Brie, France December 22, 2020, a day after the European Union gives the green light for the Pfizer-BioNTech coronavirus vaccine, paving the way for vaccinations to finally start in the 27-nation bloc on December 27. Geoffroy Van Der Hasselt/Pool via REUTERS

High negative temperature freezers are pictured in a warehouse which will be used as a logistic hub for COVID-19 vaccine distribution, in the Paris' suburban city of Chanteloup-en-Brie, France December 22, 2020, a day after the European Union gives the green light for the Pfizer-BioNTech coronavirus vaccine, paving the way for vaccinations to finally start in the 27-nation bloc on December 27. Geoffroy Van Der Hasselt/Pool via REUTERS

High negative temperature freezers are pictured in a warehouse which will be used as a logistic hub for COVID-19 vaccine distribution, in the Paris' suburban city of Chanteloup-en-Brie, France December 22, 2020, a day after the European Union gives the green light for the Pfizer-BioNTech coronavirus vaccine, paving the way for vaccinations to finally start in the 27-nation bloc on December 27. Geoffroy Van Der Hasselt/Pool via REUTERS

High negative temperature freezers are pictured in a warehouse which will be used as a logistic hub for COVID-19 vaccine distribution, in the Paris' suburban city of Chanteloup-en-Brie, France December 22, 2020, a day after the European Union gives the green light for the Pfizer-BioNTech coronavirus vaccine, paving the way for vaccinations to finally start in the 27-nation bloc on December 27. Geoffroy Van Der Hasselt/Pool via REUTERS

A freezer container, which was set up in April in front of the main cemetery crematorium, is pictured after the numbers of COVID-19 related deaths raised, amid the coronavirus disease (COVID-19) pandemic in Hanau, Germany, December 17, 2020. REUTERS/Ralph Orlowski

A freezer container, which was set up in April in front of the main cemetery crematorium, is pictured after the numbers of COVID-19 related deaths raised, amid the coronavirus disease (COVID-19) pandemic in Hanau, Germany, December 17, 2020. REUTERS/Ralph Orlowski