Please provide your email address to receive an email when new articles are posted on . The key to better understanding the efficacy vs. effectiveness gap in drug therapies could lie in real-world ...

For the majority of people who are not physicians or epidemiologists, the COVID-19 vaccine – among other things – has brought on new challenges in terminology. Lesson 1: Efficacy and effectiveness are ...

The pandemic has brought many tricky terms and ideas from epidemiology into everyone's lives. Two particularly complicated concepts are vaccine efficacy and effectiveness. These are not the same thing ...

WASHINGTON — As COVID-19 vaccinations continue and accelerate across the U.S., a new rapid expert consultation from the National Academies of Sciences, Engineering, and Medicine offers advice for ...

The studies Sen. Ron Johnson’s office sent examined COVID vaccine effectiveness, not efficacy. Efficacy refers to how well a vaccine performs in a clinical trial, and each of the vaccines were highly ...

Corrections & Clarifications: This story was updated June 22 with a reworded claim that provides a more nuanced summary of the point made in the Facebook post being fact-checked here. Other references ...

Two posters presented at AMCP Nexus 2022 addressed the cost-effectiveness of guideline-recommended integrase strand transfer inhibitor–based triple therapy in people living with HIV, as well as the ...

Active immunization with the BNT162b2 vaccine (Pfizer–BioNTech) has been a critical mitigation tool against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection during the ...

The efficacy of the Covid-19 vaccine developed by Pfizer and BioNTech fell from 96% to 84% over six months, according to data released Wednesday, a decline that could fuel Pfizer’s case that a third ...