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 […]

Swedish Professor Says 5 Shots Of COVID Vaccine May Be Necessary

While many people have bragged about being “fully vaccinated” after taking two COVID-19 jabs, a Swedish professor says that as many as five shots may be needed to combat falling immunity. “We don’t know how long the vaccine protects against serious illness and death,” said Karolinska Institute Professor Matti Sällberg. “This means that you pick the […]

Review the safety of Covid-19 mRNA vaccines: a review

Authors: Pratibha Anand 1, Vincent P Stahel 2 Abstract The novel coronavirus disease 2019 (COVID-19) has infected more than 100 million people globally within the first year of the pandemic. With a death toll surpassing 500,000 in the United States alone, containing the pandemic is predicated on achieving herd immunity on a global scale. This implies that at […]

Safety of SARS-CoV-2 vaccines: a systematic review and meta-analysis of randomized controlled trials

Authors: Musha Chen, Yue Yuan, Yiguo Zhou, Zhaomin Deng, Jin Zhao, Fengling Feng, Huachun Zou & Caijun Sun  Background Various modalities of vaccines against coronavirus disease 2019 (COVID-19), based on different platforms and immunization procedures, have been successively approved for marketing worldwide. A comprehensive review for clinical trials assessing the safety of COVID-19 vaccines is urgently needed to make an accurate judgment for […]