A challenge for health professionals who will be in charge of COVID-19 vaccine distribution will be access to freezers that can keep the vaccines in the extremely cold temperatures required for effective storage, says Fulton Schools Associate Professor Kristen Parrish (pictured). Another hurdle may be finding experienced refrigeration service professionals who can properly maintain and repair the freezers, Parrish says. Another problem could arise next spring as temperatures begin to rise in the greater Phoenix metro area, which will require freezers to run continuously for many hours and make it more difficult for them to maintain the necessary ultra-cold temperatures.

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