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Pfizer Says COVID Shot 85% Efficient After 1 Dose; Could Not Require Deep Freeze

FRIDAY, Feb. 19, 2021 (HealthDay Information)

There was a double dose of excellent information Friday from COVID vaccine maker Pfizer: The corporate stated only one dose could present 85% safety in opposition to SARS-CoV-2, and vials of the vaccine may not require ultra-cold storage in spite of everything.

The latter discovering might be a game-changer for vaccine distribution, as a result of the necessity for fridges able to storing vaccines at temperatures all the way down to -112 levels Fahrenheit has been a serious roadblock at facilities throughout america. The U.S. authorities is ready to distribute tons of of thousands and thousands of doses of the two-dose Pfizer vaccine to People over the approaching months.

Now, based mostly on outcomes from ongoing vaccine “stability studies,” Pfizer now believes that its vaccine might be safely saved for as much as two weeks at commonplace freezer temperatures of simply -13°F to five°F.

As reported by CBS Information, Pfizer CEO Albert Bourla stated the corporate will now request that the U.S. Meals and Drug Administration change its steerage on the storage of the vaccine, which was developed together with its German companion, BioNTech.

“We appreciate our ongoing collaboration with the FDA and CDC as we work to ensure our vaccine can be shipped and stored under increasingly flexible conditions,” Bourla stated. “If approved, this new storage option would offer pharmacies and vaccination centers greater flexibility in how they manage their vaccine supply.”

Not solely is storage and distribution of the Pfizer vaccine maybe made simpler, however there’s additionally new information suggesting that robust safety in opposition to the brand new coronavirus units in after only one dose.

In accordance with analysis revealed in The Lancet medical journal, the primary dose of the shot gave well being care staff at Israel’s largest hospital 85% safety.

The Sheba hospital close to Tel Aviv started vaccinating its staff way back to Dec.19, CBS Information reported. Over 9,000 individuals are employed on the hospital; about 7,000 acquired the primary dose of the Pfizer vaccine and the others weren’t inoculated.

Monitoring down hospital employees who’d both gone on to develop COVID-19 signs or had been involved with individuals identified to be contaminated, the Israeli researchers discovered 170 circumstances of COVID-19.

Evaluating charges of an infection between those that’d gotten the primary dose of the the vaccine versus those that hadn’t been inoculated, they calculate that safety reached 47% between day 1 and day 14 post-vaccination, and 85% between day 15 to day 28.

“What we see is a really high effectiveness already right after two weeks, between two weeks to four weeks after vaccine,” examine co-author Gili Regev-Yochay advised a small group of journalists, CBS Information reported.

The findings construct on prior Israeli findings, which discovered the Pfizer vaccine to be 95% efficient one week after a second dose.

Does all this imply that vaccinated individuals cannot transmit SARS-CoV-2 to different individuals?

“That is the big, big, question. We are working on it. This is not on this paper and I hope we will have some good news soon,” Regev-Yochay stated.

Extra data

Discover out extra about COVID-19 vaccines on the U.S. Centers for Disease Control and Prevention.

SOURCE: CBS Information

Ernie Mundell

Copyright © 2020 HealthDay. All rights reserved.

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