Temperature sensors will help keep COVID-19 vaccines potent

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When scientists and pharmaceutical companies clear the hurdle of developing a safe, effective, COVID-19 vaccine, they won’t be able to rest on their laurels. Instead, they’ll face another enormous challenge — making millions of doses and keeping those doses extremely cold. They’ll get an assist, though, from temperature-monitoring tech that’s advanced dramatically in the past few years.

Vaccines, like most pharmaceuticals, have to be stored within a certain temperature range in order to stay potent. During a future COVID-19 vaccine’s journey from factory to pharmacy, small temperature sensors will monitor the conditions that the vaccines will encounter en route and at their final destination. They’ll be embedded in packaging, freezers,...

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