Vaccinated People 4 Times Less Likely to Get Long COVID, Says Study

Successive doses of COVID vaccine can further reduce the risk, experts say Shishira Sreenivas, November 24, 2023, The Messenger Getting at least one dose of the COVID-19 vaccine before your first bout of infection can significantly cut the risk of developing long COVID, according to a new study.  Researchers from Sweden, who published findings Wednesday on The BMJ, analyzed […]

SARS-CoV-2 vaccine breakthrough infection in the older adults: a meta-analysis and systematic review

Xiaohui Jing, Menglin Han, Xiaoxuan Wang & Li Zhou BMC Infectious Diseases volume 23, Article number: 577 (2023) Cite this article Update published on 02 October 2023 Abstract Background Corona Virus Disease 2019 (COVID-19) mRNA vaccine effectiveness (VE) has recently declined, and reports about COVID-19 breakthrough infection have increased. We aimed to conduct a meta-analysis on population-based studies of the prevalence and incidence of severe […]

Researchers find immune response to COVID strengthens over time

by Erik Robinson, Oregon Health & Science University JANUARY 25, 2023 Immunity from COVID-19 appears to gather strength with more time between vaccination and infection, a new laboratory study from researchers at Oregon Health & Science University suggests. The findings carry implications for vaccine recommendations as the pandemic transitions to an endemic state. Researchers measured the […]

New coronavirus subvariants escape antibodies from vaccination and prior Omicron infection, studies suggest

Authors: Jacqueline Howard, CNN June 23, 2022 Omicron subvariants BA.4 and BA.5 appear to escape antibody responses among both people who had previous Covid-19 infection and those who have been fully vaccinated and boosted, according to new data from researchers at Beth Israel Deaconess Medical Center, of Harvard Medical School. However, Covid-19 vaccination is still expected […]

Association of COVID-19 Vaccination During Pregnancy With Incidence of SARS-CoV-2 Infection in Infants

Authors: Ellen Øen Carlsen, MD1; Maria C. Magnus, PhD1; Laura Oakley, PhD1,2; et alDeshayne B. Fell, PhD3,4; Margrethe Greve-Isdahl, MD5; Jonas Minet Kinge, PhD1,6; Siri E. Håberg, MD, PhD JAMA Intern Med. Published online June 1, 2022. doi:10.1001/jamainternmed.2022.2442 Key Points Question  Is maternal COVID-19 vaccination during the second or third trimester of pregnancy associated with reduced risk of COVID-19 within the first 4 months of life in their infants? Findings  In this register-based cohort study of all live-born […]

Association Between COVID-19 Booster Vaccination and Omicron Infection in a Highly Vaccinated Cohort of Players and Staff in the National Basketball Association

Authors: Caroline G. Tai, PhD, MPH1; Lisa L. Maragakis, MD, MPH2; Sarah Connolly, PhD, MPH1; et alJohn DiFiori, MD3; Deverick J. Anderson, MD, MPH4; Yonatan H. Grad, MD, PhD5; Christina DeFilippo Mack, PhD, MSPH1 JAMA. Published online June 2, 2022. doi:10.1001/jama.2022.9479 Evaluation of COVID-19 vaccine booster effectiveness is essential as new variants of SARS-CoV-2 emerge. Data support the effectiveness of booster doses in preventing severe disease and hospitalization; however, the association with reducing incident SARS-CoV-2 infections […]

How many times can you get COVID? What experts know about reinfection

Authors:  Hannah Sparks May 18, 2022  The New York Post The new normal is now. In what seemed like an instant, COVID-19 became an inevitable aspect of everyday life more than two years ago — with no signs to suggest that we’ll ever see otherwise again. As we look at our lives ahead with waves […]

What You Should Know About Treating Covid-19

Some therapies have been shown to work in clinical studies and other research Authors: Jared S. Hopkins Mar. 21, 2022 4:47 pm ET The Wall Street Journal The Food and Drug Administration authorized the first antiviral pills to treat Covid-19 from Pfizer Inc. and Merck & Co. and partner Ridgeback Biotherapeutics LP in December. The authorizations came after each drugmaker’s pill […]

Israeli experts analyze mRNA COVID vaccines long-term effects

Experts believe there will be no long-term side effects to the mRNA vaccines. Authors: By MAAYAN JAFFE-HOFFMAN   AUGUST 30, 2021 22:34 As thousands of Israelis rush back to their health funds in search of a third COVID-19 vaccine shot and a Green Pass from isolation after traveling abroad, others are asking if another injection of messenger RNA […]

Walking down the memory lane with SARS-CoV-2 B cells

Authors: Natalia T Freund, Motti Gerlic, Ben A Croker The end of the coronavirus disease 2019 (COVID-19) pandemic is in sight. We have scientists to thank for that. However, while years of meticulous research by vaccinologists, molecular biologists and immunologists provided the framework for rapid deployment of vaccines, we are still learning what constitutes an effective lifelong […]