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As Rollout Falters, Scientists Debate New Vaccination Tactics


04 Jan 2021

Should second doses be delayed? Should most adults receive half-doses? Scientists are pondering ways to get more shots into more arms.


Covid-19 Live Updates


04 Jan 2021

Covid-19 Live Updates


Maintaining Safety with SARS-CoV-2 Vaccines


30 Dec 2020

To date, the development of mRNA vaccines for the prevention of infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been a success story, with no serious concerns identified in the ongoing phase 3 clinical trials


An Essential Worker’s List of Pandemic Chores for the Kids


29 Dec 2020

Sorry I had to leave before you woke up. You’re right, it isn’t fair. Please empty the dishwasher today. And brush your teeth. Remember to feed the dog. He will die if no one remembers to do this.


Phase 3 trial of Novavax investigational COVID-19 vaccine opens


28 Dec 2020

The Phase 3 trial of another investigational coronavirus disease 2019 (COVID-19) vaccine has begun enrolling adult volunteers. The randomized, placebo-controlled trial will enroll approximately 30,000 people at approximately 115 sites in the United States and Mexico. It will evaluate the safety and efficacy of NVX-CoV2373, a vaccine candidate developed by Novavax, Inc., of Gaithersburg, Maryland. Novavax is leading the trial as the regulatory sponsor.




Articles


Help Fight Medicare Fraud


30 Dec 2021

Medicare covers the COVID-19 vaccine at no cost to you, so if anyone asks you to share your Medicare Number or pay for access to the vaccine, you can bet it’s a scam.




Association of Race/Ethnicity With Likeliness of COVID-19 Vaccine Uptake Among Health Workers and the General Population in the San Francisco Bay Area


30 Mar 2021

Surveys have demonstrated racial differences in the public’s willingness to receive a COVID-19 vaccine1,2 but have not directly compared vaccine intentions among health workers and the general public.3 We investigated COVID-19 vaccine intentions among racially and ethnically diverse samples of health workers and the general population.




Assessment of protection against reinfection with SARS-CoV-2 among 4 million PCR-tested individuals in Denmark in 2020: a population-level observational study


17 Mar 2021

The vast majority of people who recover from Covid-19 remain protective immunity from the virus for at least six months, researchers reported on Wednesday in a large study from Denmark. The study revealed protective immunity to be approximately 80–83% in people younger than 65 years. We found no difference in immunity over the study period. Among those aged 65 years and older, immunity was estimated to be approximately 47%.




SARS-CoV-2 Vaccines


26 Feb 2021

Shortly after SARS-CoV emerged at the turn of the 21st century, the spike (S) protein (particularly in its prefusion [native] conformation) was identified as the immunodominant antigen of the virus. Evaluation of patients with SARS-CoV-2 revealed that binding and neutralizing antibodies primarily target the receptor-binding domain of the S1 subunit.




SARS-CoV-2 Variants of Concern in the United States—Challenges and Opportunities


17 Feb 2021

. SARS-CoV-2, like other RNA viruses, constantly changes through mutation, with new variants occurring over time. Generally, when new variants become more common, they do so because of some selective advantage to the virus.




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