Effectiveness of Pfzier’s COVID-19 mRNA booster may drop in 3 months

Effectiveness of Pfzier’s COVID-19 mRNA booster may drop in 3 months

Researchers analyzed more than 11,000 hospital admissions and emergency room visits to see how well COVID-19 vaccines prevent diseases. They found that all three doses of the Pfizer mRNA COVID-19 vaccine are highly effective in initially preventing hospitalizations. Although this high level of effectiveness is declining, experts say vaccines still offer key protection against COVID-19….

More antibodies with longer intervals between COVID vaccine doses

More antibodies with longer intervals between COVID vaccine doses

Editor’s note: Find the latest news and advice on COVID-19 in Medscape’s Coronavirus Resource Center. LISBON, Portugal – An overall nine-fold increase in COVID-19 antibody levels can be seen with a longer interval between the first and second dose of the Pfizer/BioNTech vaccine (BNT162b2) in people without previous infection, according to UK government SIREN (SARS-CoV-2…