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Pregnant women’s humoral response is dependent on SARS-CoV-2 strain

The current study from Israel discusses the change in antibody response with the trimester of infection and the infecting variant.

9 Nov 2021

Researchers explain why decaying SARS-CoV-2 antibodies in blood are not a problem after vaccination

A new study published in the preprint bioRxiv* server suggests vaccination helps to inflate the number of somatic hypermutations acquired by B cells. The increase in somatic hypermutations allows for an accumulation of highly matured bone marrow plasma cells.

8 Nov 2021

Convalescent plasma post-vaccination increases binding and neutralizing antibodies against SARS-CoV-2 variants

A recent study assesses the boost in antibodies against SARS-CoV-2)variants post-vaccination in plasma samples from previously infected COVID-19 patients.

7 Nov 2021

Adaptive immunity in patients infected with SARS-CoV-2 Δ382 Variant

A comprehensive characterization of the immune responses between SARS-CoV-2 infected individuals with wildtype (WT) and Δ382 SARS-CoV-2.

3 Nov 2021

Influenza and COVID vaccines can be co-administered in older adults without causing severe side effects

Researchers evaluate the safety and immunogenicity of an influenza vaccine and mRNA-based COVID-19 vaccine that were administered concomitantly.

3 Nov 2021

Spike antibody durability in mRNA vaccinated individuals with or without prior SARS-CoV-2 infection

A new study examined SARS-CoV-2 spike IgG antibodies in a longitudinal cohort, comparing antibody durability in individuals who received an mRNA SARS-CoV-2 vaccine with or without prior SARS-CoV-2 infection.

3 Nov 2021

SARS-CoV-2 neutralizing antibodies discovered in a 20-year-old human antibody library

In an article published in the open-access journal Advance Engineering, a multinational team of researchers reported the selection and characterization of 3 potent SARS-CoV-2 antibodies - S-E6, S-B8, and S-D4 - from a pre-COVID-19 human combinatorial antibody library that was established 20 years ago.

3 Nov 2021

Dutch study compares mRNA vaccines to vector-based vaccines for COVID-19

An overview of the PIENTER-Corona (PiCo) study, which is a Dutch nationwide efficacy comparison study on four different COVID-19 vaccines.

2 Nov 2021

End-stage renal disease negatively impacts COVID-19 vaccine response

Researchers perform a systematic review of people with end-stage kidney disease receiving SARS-CoV-2 vaccines to assess their immunogenicity rates.

2 Nov 2021

Humoral and cell-mediated immunity six months post BNT162b2 vaccination

A recent study has evaluated vaccine-induced humoral and cellular immunity against SARS-CoV-2 six months post BNT162b2 (Pfizer-BioNTech) vaccination.

2 Nov 2021

Trends in SARS-CoV-2 seroprevalence in Massachusetts

A new study reported findings from a retrospective, de-identified and systematic survey of SARS-CoV-2 seroprevalence among childbearing women in Massachusetts.

2 Nov 2021

Evidence antibodies targeting HCoV-OC43 are robustly boosted in response to SARS-CoV-2 but not vaccination

The magnitude of cross-reactive antibodies correlated well with responses to the SARS-CoV-2 spike protein and the S2 subdomain.

1 Nov 2021

COVID-19 antibody levels stay more durable in vaccinated people with prior SARS-CoV-2 infection

In what is believed to be one of the largest studies of its kind, Johns Hopkins Medicine researchers have shown that antibody levels against SARS-CoV-2 (the COVID-19 virus) stay more durable — that is, remain higher over an extended period of time — in people who were infected by the virus and then received protection from two doses of messenger RNA (mRNA) vaccine compared with those who only got immunized.

1 Nov 2021

Immunoglobulin News and Research

Pregnant women’s humoral response is dependent on SARS-CoV-2 strain

Researchers explain why decaying SARS-CoV-2 antibodies in blood are not a problem after vaccination

Convalescent plasma post-vaccination increases binding and neutralizing antibodies against SARS-CoV-2 variants

Adaptive immunity in patients infected with SARS-CoV-2 Δ382 Variant

Influenza and COVID vaccines can be co-administered in older adults without causing severe side effects

Spike antibody durability in mRNA vaccinated individuals with or without prior SARS-CoV-2 infection

SARS-CoV-2 neutralizing antibodies discovered in a 20-year-old human antibody library

Dutch study compares mRNA vaccines to vector-based vaccines for COVID-19

End-stage renal disease negatively impacts COVID-19 vaccine response

Humoral and cell-mediated immunity six months post BNT162b2 vaccination

Trends in SARS-CoV-2 seroprevalence in Massachusetts

Evidence antibodies targeting HCoV-OC43 are robustly boosted in response to SARS-CoV-2 but not vaccination

COVID-19 antibody levels stay more durable in vaccinated people with prior SARS-CoV-2 infection

Potential link between SARS-CoV-2 infection and secondary occurrence of anti-NMDAR encephalitis

New Canadian serology solution for SARS-CoV-2 infections and vaccination

Breakthrough COVID infections in Northeast Italy showing waning vaccine protection

How long does natural or vaccine-induced immunity to COVID last?

COVID-19 and subacute neuropsychiatric symptoms in adolescents

Study shows efficacy of a heterologous vaccine regimen to induce mucosal protection against COVID-19

Studies test intravenous immunoglobulin for treatment of Kawasaki disease and MIS-C

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