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Covid immunity through infection or vaccination: Are they equal?

Dr. Aaron Kheriaty, a University of California-Irvine psychiatry professor, felt he didn't need to be vaccinated against covid because he'd fallen ill with the disease in July 2020.

8 Oct 2021

Oral and intranasal COVID-19 vaccines show promising results in hamster model

A new preprint discusses the protective effect of an oral adenovirus-vectored vaccine based on the SARS-CoV-2 spike against viral transmission and disease in hamsters.

8 Oct 2021

mRNA vaccination associated with decreased risk of COVID-19 infection and hospitalization in U.S. veterans

Researchers from the U.S. Veterans Affairs have examined the U.S. effort to vaccinate its Veteran population to investigate further.

8 Oct 2021

Assay to assess and quantify presence of RBD-directed antibodies against SARS-CoV-2 following vaccination

Researchers from Roche Diagnostics have been testing a new assay known as the Elecsys assay.

8 Oct 2021

Study shows an association between initial SARS-CoV-2 viral load and disease severity

Researchers investigated the utility of initial SARS-CoV-2 viral loads of tests performed at a Public Health testing facility regarding hospital and ICUs admissions and overall survival.

8 Oct 2021

Scientists study immune response to COVID-19 in patients with different levels of disease severity

Researchers from Skoltech, U.S. companies VirIntel and Argentys Informatics, and two Russian Academy of Sciences institutes have studied the immune response to COVID-19 in patients with different levels of disease severity.

8 Oct 2021

Chilblain-like lesions and COVID-19

The ongoing COVID-19 pandemic brought about by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has also been responsible for various cutaneous manifestations. Among them, chilblain-like lesions (CLL) have been found to occur more frequently.

7 Oct 2021

Israeli Pfizer COVID vaccine/myocarditis study, 136 cases out of 5 million

A new study, published in the New England Journal of Medicine, aimed to present clinical, epidemiological, and follow-up findings of myocarditis cases diagnosed in temporal proximity to COVID-19 vaccination and explore the possibility of a causal relationship between the two.

7 Oct 2021

BNT162b2 COVID vaccine humoral response substantially reduced after 6 months

The rollout of vaccines against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is expanding worldwide. However, little is known about the duration of protection offered by these vaccines. Real-world data on the kinetics of antibodies are beginning to appear, but a holistic picture of immunity duration is still not available.

7 Oct 2021

Abnormal T cell responses to COVID-19 do not appear to be the cause of MIS-C in children

Multisystem inflammatory syndrome in children (MIS-C) is a serious condition associated with a recent COVID-19 infection.

7 Oct 2021

KHN’s ‘What the Health?’: Abortion politics front and center

Meanwhile, Congress flirted with disaster as it appeared unlikely to meet deadlines to approve a series of budget bills, including an extension of the federal government's lending authority. But lawmakers found ways to extend programs long enough to continue negotiating through the fall.

7 Oct 2021

Potent extended anti- SARS-CoV-2 effect of titanium dioxide surface coatings

A team of researchers has explored the possibility of coating surfaces with TiO2 as a tool to inactivate SARS-CoV-2.

7 Oct 2021

Critical function of IL-7 in diagnosis, prognosis, and treatment of COVID-19 patients

In this review, researchers summarized the therapeutic and pathogenic role of IL-7 in patients with COVID-19 and examined the promising role of IL-7 as a vaccine adjuvant.

7 Oct 2021

COVID-19 vaccinations associated with reduction of COVID-19 infections and deaths among Medicare beneficiaries

A study identified associations between COVID-19 infections, hospitalizations, and deaths among Medicare FFS beneficiaries and the fully vaccinated population at the county level.

7 Oct 2021

non-RBD mutation in SARS-CoV-2 variants enhances resistance to neutralizing antibodies

Researchers from Ohio State University have been investigating mutations in the rest of the spike protein, particularly the Q677H mutation.

7 Oct 2021

Scientists develop a cell-free assay to screen SARS-CoV-2 entry inhibitors

Scientists have developed and validated a cell-free fluorescence assay for the rapid screening of protein inhibitors.

7 Oct 2021

Study suggests continued delta variant outbreaks unless vaccination reaches high coverage levels in adults and children

Researchers have conducted a mathematical modeling study to understand how expanding vaccination to younger age groups may reduce the increasing case numbers.

7 Oct 2021

After 5 months, Pfizer-BioNTech COVID vaccine remains highly protective against hospitalization and death

The study "Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study" is published in the journal The Lancet.

7 Oct 2021

SARS-CoV-2 evolution promoted by long-term infection in patient with B cell depletion

A new study published on the medRxiv* preprint server focused on a patient with a persistent symptomatic viral infection for over a year. Researchers amplified sub-genomic transcripts for the E gene (sgE) using nasopharyngeal samples of the patient infected with SARS-CoV-2 over the course of 335 days.

6 Oct 2021

Study shows new antibody resistant variants can emerge in patients treated with monoclonal antibodies

A new study, published on the medRxiv* preprint server, suggested that selective pressures induced by the administration of monoclonal antibodies (Bamlanivimab) may require increased genomic surveillance to identify and control the spread of therapy-induced variants.

6 Oct 2021

Coronavirus News and Research

Covid immunity through infection or vaccination: Are they equal?

Oral and intranasal COVID-19 vaccines show promising results in hamster model

mRNA vaccination associated with decreased risk of COVID-19 infection and hospitalization in U.S. veterans

Assay to assess and quantify presence of RBD-directed antibodies against SARS-CoV-2 following vaccination

Study shows an association between initial SARS-CoV-2 viral load and disease severity

Scientists study immune response to COVID-19 in patients with different levels of disease severity

Chilblain-like lesions and COVID-19

Israeli Pfizer COVID vaccine/myocarditis study, 136 cases out of 5 million

BNT162b2 COVID vaccine humoral response substantially reduced after 6 months

Abnormal T cell responses to COVID-19 do not appear to be the cause of MIS-C in children

KHN’s ‘What the Health?’: Abortion politics front and center

Potent extended anti- SARS-CoV-2 effect of titanium dioxide surface coatings

Critical function of IL-7 in diagnosis, prognosis, and treatment of COVID-19 patients

COVID-19 vaccinations associated with reduction of COVID-19 infections and deaths among Medicare beneficiaries

non-RBD mutation in SARS-CoV-2 variants enhances resistance to neutralizing antibodies

Scientists develop a cell-free assay to screen SARS-CoV-2 entry inhibitors

Study suggests continued delta variant outbreaks unless vaccination reaches high coverage levels in adults and children

After 5 months, Pfizer-BioNTech COVID vaccine remains highly protective against hospitalization and death

SARS-CoV-2 evolution promoted by long-term infection in patient with B cell depletion

Study shows new antibody resistant variants can emerge in patients treated with monoclonal antibodies

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