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Latest on Omicron Variant and COVID-19 Vaccine Protection


14 Dec 2021

There’s been great concern about the new Omicron variant of SARS-CoV-2, the coronavirus that causes COVID-19. A major reason is Omicron has accumulated over 50 mutations, including about 30 in the spike protein, the part of the coronavirus that mRNA vaccines teach our immune systems to attack. All of these genetic changes raise the possibility that Omicron could cause breakthrough infections in people who’ve already received a Pfizer or Moderna mRNA vaccine.


Will the Vaccines Stop Omicron? Scientists Are Racing to Find Out.


28 Nov 2021

A “Frankenstein mix” of mutations raises concerns, but the variant may remain vulnerable to current vaccines. If not, revisions will be necessary.


What You Need to Know about Variants


27 Nov 2021

Omicron Variant No cases of this variant have been identified in the U.S. to date. CDC is following the details of this new variant. See CDC’s Media Statement.


Coronavirus (COVID-19) Update: FDA Expands Eligibility for COVID-19 Vaccine Boosters


19 Nov 2021

Today, the U.S. Food and Drug Administration amended the emergency use authorizations (EUA) for both the Moderna and Pfizer-BioNTech COVID-19 vaccines authorizing use of a single booster dose for all individuals 18 years of age and older after completion of primary vaccination with any FDA-authorized or approved COVID-19 vaccine. The Centers for Disease Control and Prevention’s (CDC) Advisory Committee on Immunization Practices will meet later today to discuss further clinical recommendations.


Moderna COVID-19 booster may protect against variants


03 Nov 2021

At a Glance A booster of the Moderna COVID-19 vaccine increased levels of neutralizing antibodies against all variants of concern in a primate study. The findings suggest that COVID-19 boosters not only lengthen immunity but help broaden and strengthen the immune response.




Articles


Long-Term Dysfunction of Taste Papillae in SARS-CoV-2


06 Sep 2023

Abstract BACKGROUND We sought to determine whether ongoing taste disturbance in the post-acute sequelae of coronavirus disease 2019 is associated with the persistent virus in primary taste tissue. CONCLUSIONS Our data show a temporal association in patients between functional taste, taste papillae morphology, and the presence of SARS-CoV-2 and its associated immunological changes. (Funded by Intramural Research Program/National Institute on Aging/National Institute of Allergy and Infectious Diseases/National Institutes of Health; ClinicalTrials.gov numbers NCT03366168 and NCT04565067.)




Uninsured and Not Immune — Closing the Vaccine-Coverage Gap for Adults


20 Jul 2023

The U.S. Covid-19 vaccination strategy was simple: get safe and effective vaccines into arms as quickly as possible by making them free and accessible. This strategy worked: more than 670 million Covid-19 vaccine doses had been administered to more than 270 million Americans by the end of the national public health emergency.




Strategic Masking to Protect Patients from All Respiratory Viral Infections


06 Jul 2023

The end of the public health emergency in the United States is a richly symbolic milestone in the course of the SARSCoV-2 pandemic. During the height of the pandemic, the virus killed millions of people worldwide, upended lives, and radically altered health care. One of the most visible changes in health care was the introduction of universal masking, a measure designed to reduce SARS-CoV-2 transmission in health care facilities by applying source control and exposure protection to everyone in the facility. With the end of the public health emergency, however, many health care centers in the United States are now stopping universal masking and reverting to requiring masking in only limited circumstances (e.g., when health care workers are caring for patients with potentially contagious respiratory infections).




Development of a Definition of Postacute Sequelae of SARS-CoV-2 Infection


25 May 2023

Key Points Question What symptoms are differentially present in SARS-CoV-2–infected individuals 6 months or more after infection compared with uninfected individuals, and what symptom-based criteria can be used to identify postacute sequelae of SARS-CoV-2 infection (PASC) cases? Findings In this analysis of data from 9764 participants in the RECOVER adult cohort, a prospective longitudinal cohort study, 37 symptoms across multiple pathophysiological domains were identified as present more often in SARS-CoV-2–infected participants at 6 months or more after infection compared with uninfected participants. A preliminary rule for identifying PASC was derived based on a composite symptom score. Meaning A framework for identifying PASC cases based on symptoms is a first step to defining PASC as a new condition. These findings require iterative refinement that further incorporates clinical features to arrive at actionable definitions of PASC.




11 clinical trials that will shape medicine in 2023


23 Dec 2022

2022 has been a rollercoaster year for biopharma, as it has faced an industry-wide slowdown and late-stage clinical trial failures, as well as breakthroughs and regulatory approvals. COVID-19 has continued to disrupt nearly all aspects of clinical trial infrastructure, from patient recruitment to supply chains, but despite this, 2023 promises to bring many new readouts from different branches of medicine (Table 1). Nature Medicine asked 11 leading experts for their top clinical trials to watch in the coming year




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