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Vaccines

Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study

Background Vaccine effectiveness studies have not differentiated the effect of the delta (B.1.617.2) variant and potential waning immunity in observed reductions in effectiveness against SARS-CoV-2 infections. We aimed to evaluate overall and variant-specific effectiveness of BNT162b2 (tozinameran, Pfizer–BioNTech) against SARS-CoV-2 infections and COVID-19-related hospital admissions by time since vaccination among […]

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WORLD HEALTH ORGANIZATION (WHO)

7 Vaccines Approved for Use by WHO Moderna mRNA-1273 This vaccine is approved. Approved in 76 countries 30 trials in 2 countries Approval Source: who.int  RNA Pfizer/BioNTech BNT162b2 This vaccine is approved. Approved in 103 countries 37 trials in 2 countries Approval Source: who.int  RNA Janssen (Johnson & Johnson) Ad26.COV2.S This vaccine is approved. Approved in 75 […]

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FDA Advisors Vote to Recommend Moderna Boosters

A panel of experts that advises the FDA on vaccine decisions voted unanimously Thursday to approve booster doses of Moderna’s COVID-19 vaccine. The 19 members of the FDA’s Vaccines and Related Biological Products Advisory Committee voted to authorize a 50-milligram dose — half the dose used in the primary series […]

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Heterologous SARS-CoV-2 Booster Vaccinations: Preliminary Report

Background: While Coronavirus disease 2019 (Covid-19) vaccines are highly effective, breakthrough infections are occurring. Booster vaccinations have recently received emergency use authorization (EUA) for certain populations but are restricted to homologous mRNA vaccines. We evaluated homologous and heterologous booster vaccination in persons who had received an EUA Covid-19 vaccine regimen. […]

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Vaccines are an important part of stopping COVID-19.

Vaccines are an important part of stopping COVID-19. But just as an umbrella won’t keep you completely dry in a rainstorm, no vaccine is 100% effective. Getting vaccinated, wearing a mask in indoor public places, & avoiding crowds can help protect you and others. More: https://bit.ly/cdc-protectyourself. Créditos: Comité científico Covid

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Protective Effects of Covid-19 Vaccines in SARS-CoV-1 Survivors

Emerging SARS-CoV-2 variants pose a challenge to the effectiveness of current vaccines. A vaccine capable of controlling current SARS-CoV-2 variants of concern, as well as preventing infection by other sarbecoviruses, would be optimal. New research findings are summarized in a short video. https://www.facebook.com/watch/?v=286774673059879&extid=WA-UNK-UNK-UNK-AN_GK0T-GK1C&ref=sharing Créditos: Comité científico Covid

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