Thursday, July 29
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Pfizer COVID vaccine shots can stop asymptomatic spread, study says – Deseret News

Israel’s Ministry of Health and Pfizer/BioNTech announced Thursday that the Pfizer vaccine can prevent symptomatic and asymptomatic transmission of COVID-19, ABC News reports.

  • This means the vaccine prevents people from spreading COVID-19 even when they’re asymptomatic, which has been one of the dangerous ways the coronavirus has spread throughout the world.
  • The data reportedly showed the Pfizer vaccine is 94% effective in stopping the asymptomatic spread and infection, according to ABC News.

The researchers said the Pfizer vaccine is 97% effective in stopping the symptomatic spread, which is close to the 95% number Pfizer originally announced, as I wrote about for the Deseret News.

Why this matters

Pfizer CEO Albert Bourla told CNBC this could cut down on the coronavirus spread by significant numbers.

  • “This is extremely important … for society,” Bourla told CNBC. “The asymptomatic carriers and patients are the ones spreading the disease mainly. We were expecting something good in terms of symptomatic,” he said.
  • Bourla said he did not expect to see such a “high number” against asymptomatic cases.

One more thing …

The researchers said 80% of the cases were from the U.K. variant B.1.1.7, which is a sign that the Pfizer vaccine can be effective against that variant, ABC News reports.

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