Vaccination

Pfizer booster more than 50% protective against omicron

A booster dose of the Pfizer–BioNTech vaccine (BNT162b2) against SARS-CoV-2 after an initial two doses of either the CoronaVac inactivated virus vaccine or Pfizer–BioNTech mRNA vaccine is shown to provide protection against ...

Diseases, Conditions, Syndromes

Breakthrough infections spur strong antibody responses 

A recent study looked at the strength, durability and breadth of neutralizing antibody responses generated by breakthrough infections in individuals vaccinated against SARS-CoV2.

Diseases, Conditions, Syndromes

Persistent T cell response to omicron after infection and vaccination

The omicron variant can partly evade the antibody response provided by vaccination or infection with previous variants of SARS-CoV-2. However, T cells still recognize omicron, scientists at Karolinska Institutet in Sweden ...

Diseases, Conditions, Syndromes

COVID: Why T cell vaccines could be the key to long-term immunity

With omicron having rapidly driven up COVID infections, attention is once again focusing on antibodies, and reasonably so. They play a critical role in fighting off viruses and are important for preventing the coronavirus ...

Obstetrics & gynaecology

Vaccinated women pass COVID-19 antibodies to breastfeeding babies

Women vaccinated against COVID-19 transfer SARS-CoV-2 antibodies to their breastfed infants, potentially giving their babies passive immunity against the coronavirus, according to University of Massachusetts Amherst research.

Diseases, Conditions, Syndromes

Antibody response to SARS-CoV-2 wanes among dialysis patients

(HealthDay)—For persons receiving dialysis, the antibody response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) wanes through five to six months and is associated with a risk for breakthrough infection, ...

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