Convalescent Plasma News and Research

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Plasma from vaccinated and COVID-19 convalescent subjects as passive immunotherapy against the new Omicron BQ.1.1, XBB, and BF.7 variants

Researchers systematically reviewed SARS-CoV-2 Omicron BQ.1.1 neutralization data from individual patient samples.

30 Nov 2022

SARS-CoV-2 spike subunit conformation determines plasma-neutralizing activity triggered by COVID-19 vaccines and natural infection

In a new study, researchers evaluated the effect of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) glycoprotein conformation on S-directed neutralizing antibodies (nAbs).

14 Nov 2022

How does imprinted SARS-CoV-2 humoral immunity drive convergent Omicron evolution?

Researchers examined how imprinted SARS-CoV-2 humoral immunity drives convergent evolution in continuously emerging Omicron subvariants.

2 Nov 2022

Transition in the management of COVID-19

A review of the current approaches to managing COVID-19, including diagnostic, therapeutic, and preventive measures.

16 Oct 2022

Significant humoral immune evasion contributes to the emergence and rapid spread of Arg346-mutated BA.4 and BA.5 sublineages

=Researchers measured the neutralizing titers of plasma samples against the SARS-CoV-2 new variant of concern Omicron's sub-variants BA.4 and BA.5 with arginine (Arg)346 mutations.

29 Sep 2022

What is the impact of inter-individual heterogeneity on the degree and duration of vaccinal protection against mild and severe COVID-19?

Researchers suggested ways to address heterogeneity in immune responses conferred by COVID-19 vaccines.

5 Sep 2022

The incidence rate, distribution, characteristics, and outcomes of neonatal COVID-19

Researchers assessed the epidemiology of neonatal COVID-19 infections.

29 Aug 2022

Updated guidelines on the Valneva SARS-CoV-2 vaccine

The WHO provides interim guidelines for the use of the Valneva vaccine.

23 Aug 2022

What is the immunopathogenesis of pediatric COVID-19?

Researchers assessed the immunopathogenesis of COVID-19 infection in children.

1 Aug 2022

Is cannabidiol effective against COVID-19?

A new study discusses the utility of CBD in treating the inflammatory symptoms of COVID-19

31 Jul 2022

The effects of CBD in the treatment of COVID-19–related inflammatory symptoms

Researchers reviewed the effectiveness of cannabidiol in treating COVID-19 inflammatory-related symptoms.

28 Jul 2022

Booster vaccination counters the severity of Omicron breakthrough infections

Researchers assessed a panel of seven SARS-CoV-2 vaccines currently available globally and in the United States and immunity acquired through the previous infection against all Omicron subvariants.

21 Jul 2022

High-level resistance of SARS-CoV-2 BA.4 against neutralizing antibodies

Researchers evaluates the sensitivity of BA.4 in both vaccinated and unvaccinated individuals infected with the SARS-CoV-2 variants.

20 Jul 2022

Production of anti-SARS-CoV-2 antibodies from hyperimmunized chickens

A new study reports the production of neutralizing antibodies against SARS-CoV-2 in hyperimmunized hens.

12 Jul 2022

Trial: Convalescent plasma does not improve survival or recovery in hospitalized COVID-19 patients

Convalescent plasma, widely given to severely ill patients hospitalized with COVID-19 during the pandemic, does not improve their ability to survive or recover, according to a national clinical trial led by Vanderbilt University Medical Center and published in the journal CHEST.

5 Jul 2022

Patient-derived antibody cocktail active across SARS-CoV-2 variants of concern

In a recent study published in the journal Science Immunology, researchers in the United States described a rare anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) three antibody cocktail IMM-BCP-01.

4 Jul 2022

Fc-effector functions for selecting COVID-19 convalescent plasma

In a recent study posted to the bioRxiv* preprint server, researchers demonstrated that coronavirus disease 2019 (COVID-19) convalescent plasmas (CCPs) with low neutralizing and high fragment crystallizable (Fc)-effector activity result in effective prophylaxis.

15 Jun 2022

SARS-CoV-2 ORF8 protein binds to dendritic cells and induces a hyper-inflammatory cytokine storm

In a recent study posted to the bioRxiv* pre-print server, researchers examined how the interaction of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) open reading frame 8 (ORF8) protein with host dendritic cells (DCs) induced cytokine storm.

8 Jun 2022

Researchers evaluate atovaquone as a COVID-19 treatment

Researchers evaluated a drug, atovaquone, for COVID-19 treatment.

30 May 2022

Study finds TGF-β2 associated with asymptomatic mild SARS-CoV-2 infection during pregnancy

A new study investigated the clinical and obstetric outcomes after SARS-CoV-2 infection in two groups of pregnant women, along with their association with the immunological parameters.

28 May 2022