(CNN) -- Overall effectiveness of coronavirus vaccines has not dropped much yet for most vaccinated Americans, US Centers for Disease Control and Prevention vaccine advisers were told Monday. CDC's Advisory Committee on Immunization Practices met Monday to discuss the potential eventual need for boost...
In that scenario, communities and economies already reeling from the pandemic face prolonged mask wearing, social distancing and more-or-less hard lockdowns until vaccine campaigns can be completed. "There is also a greater risk that vaccine 'escape variants' might be thrown up as the virus con...
To evaluate the effect of both vaccines, we estimated the adjusted vaccine effectiveness (aVE) of influenza and Covid-19 vaccines against related severe disease in the elderly population in Norway during the 2022/2023 season. Methods In this population-based cohort study, we included data from ...
c65 and older: two doses of ChAdOx1-S with a BNT162b2 or mRNA-1273 third dose,d65 and older: two doses of BNT162b2 with a BNT162b2 or mRNA-1273 third dose, Vaccine effectiveness estimates are adjusted using sex
(i.e., when considered together with efficacy, side effects, timing, etc.), the results showed that the most important considerations when deciding whether to be vaccinated in respondents from both countries were vaccine effectiveness against COVID-19 infection and severe disease, followed by ...
et al. Interim estimates of COVID-19 vaccine effectiveness against COVID-19-associated emergency department or urgent care clinic encounters and hospitalizations among adults during SARS-CoV-2 B.1.617.2 (Delta) variant predominance—nine states, June–August 2021. CDC Morb. Mortal. Wkly Rep. 70...
美国传染病协会的期刊《传染病公开论坛》(Open Forum Infectious Diseases)在2023年6月号发表论文“Effectiveness of the Coronavirus Disease 2019 Bivalent Vaccine”,中文为《接种第二剂新冠病毒疫苗的有效性》。该论文预先于2023年4月19日在网上发表,见参考文献[5]。论文指出,接种第二剂新冠疫苗(COVID-19疫苗)对于...
[2] Schrag SJ, Verani JR, Dixon BE, et al. Estimation of COVID-19 mRNA vaccine effectiveness against medically attended COVID-19 in pregnancy during periods of delta and omicron variant predominance in the United States....
at a time of effervescence and urgency in the production of knowledge about the long-term effectiveness of vaccination at a population level, new studies need to be carried out to measure the protection given to individuals, in order to assess the positive impact promoted by the vaccine campaign...
Effectiveness, on the other hand, describes how well a vaccine performs in the real world. It is calculated the same way, by comparing illness among vaccinated and unvaccinated people. Efficacy and effectiveness are usually close to each other but won’t necessarily be the same. How ...