Washington, United States.
Vaccines against Pfizer Covid-19 They can be stored at the usual temperatures in pharmaceutical freezers for a period of two weeksthe United States Food and Drug Administration (FDA) said Thursday.
This authorization relaxes a previous requirement that demanded thatthat the vaccines were stored at temperatures between -80 to -60 degrees Cº
“The alternative temperature for the transport and storage will help ease the purchase of ultra-low cold storage equipment for job sites. vaccination and should help to get the vaccine on more sitessaid Peter Marks, director of the FDA’s Center for Biological Evaluation and Research.
Pharmaceutical freezers typically operate at approx -20 degrees Cº.
The measure was then taken Pfizer submit an application following the results obtained in its research on the vaccine stability a higher temperatures.
The Pfizer vaccine is based on a new technology that uses synthetic molecules of mRNA (messenger ribonucleic acid) that deliver genetic instructions so that human cells be a part of it coronavirus.
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The mRNA molecules are enclosed in fat particles protect them and require lower storage measures.
Once thawed, vials can be stored up to five days at a temperature between 2 and 8 degrees CºAt room temperature they don’t last longer than hours.