Washington, United States.
Vaccines against Pfizer Covid-19 They can be stored at the usual temperatures found in pharmaceutical freezers for a period of two wEEKLYthe US Food and Drug Administration (FDA) said Thursday.
This authorization relaxes a previous requirement that he asked for thatthat the vaccines were stored at temperatures between -80 to -60 degrees Cº.
“Alternative temperature for transport and storage will help ease the burden of purchasing ultra-low cold storage equipment for construction sites. vaccination and should help bring vaccine at several sites“said Peter Marks, director of the FDA Center for Biological Evaluation and Research.
Pharmaceutical freezers usually work at approx -20 degrees Cº.
The measure was taken after Pfizer submit an application based on the results of its investigation vaccine stability A higher temperatures.
Pfizer vaccine is based on a new technology that uses synthetic molecules of messenger ribonucleic acid (mRNA) that delivers genetic instructions such that human cells create part of coronavirus.
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mRNA molecules are enclosed in fat particles at Protects them and requires smaller storage measures.
Once thawed, the vials can be stored up to five days at a temperature between 2 and 8 degrees Cº. At room temperature it does not last more than hours.