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Pfizer, AZ Vaccines Effective Against Delta After 2 Doses: Study

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. The Pfizer-BioNTech and AstraZeneca vaccines — the primary vaccine options in the United Kingdom — were less effective against symptomatic COVID-19 when people were exposed to the Delta variant of SARS-CoV-2 compared with the Alpha variant (known […]

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Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants

The messenger RNA vaccine BNT162b2 (Pfizer–BioNTech) has 95% efficacy against coronavirus disease 2019 (Covid-19).1 Qatar launched a mass immunization campaign with this vaccine on December 21, 2020. As of March 31, 2021, a total of 385,853 persons had received at least one vaccine dose and 265,410 had completed the two doses. […]

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Pfizer Says COVID Vaccine Highly Effective Against Delta Variant

JERUSALEM (Reuters) – The Pfizer-BioNTech vaccine is highly effective against the Delta variant of COVID-19, a Pfizer official in Israel said on Thursday. First identified in India, Delta is becoming the globally dominant version of the coronavirus, according to the World Health Organization. “The data we have today, accumulating from […]

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FACT SHEET: Biden-Harris Administration Unveils Strategy for Global Vaccine Sharing, Announcing Allocation Plan for the First 25 Million Doses to be Shared Globally

As we continue to fight the COVID-19 pandemic at home and work to end the pandemic worldwide, President Biden has promised that the United States will be an arsenal of vaccines for the world. To do that, the Administration will pursue several additional measures beyond our robust funding for COVAX: […]

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