The first study to directly compare immune reactions between Pfizer’s and AstraZeneca’s Covid-19 vaccines found strong and broadly similar antibody responses in over-80-year-olds after a first dose of either shot, scientists said on April 14.
Pfizer-BioNTech: Covid-19 Vaccine “100% Effective” in Adolescents
Adolescents, Antibody Response, AstraZeneca, BioNTech, BNT162b2 (Pfizer and BioNTech), Children, Clinical Trials, Covid-19 Data, COVID-19 Origins, COVID-19 Vaccines, COVID-19 Variant B.1.1.7, Covid-19 Variants, Pfizer, R&D, Surveys, World Health OrganizationPfizer and BioNTech on March 31 announced data from a Phase III study which showed 100 percent efficacy and robust antibody responses in patients ages 12-15 years old who received the BNT162b2 vaccine.
Moderna believes the company’s Covid-19 vaccine protects against new variants found in Britain and South Africa, although it will test a new booster shot aimed at the South Africa variant after concluding that the antibody response could be diminished.
Roche is partnering with Moderna to include a Covid-19 antibody test in the mRNA specialist’s ongoing vaccine trials, the Swiss drugmaker said, potentially demonstrating if the vaccine is working.
FDA Approves Roche Covid-19 Test that Aims to Test Vaccines’ Antibody Response
Antibody Response, Blood, Blood Samples, Coronavirus Disease (COVID-19) Pandemic, COVID-19 Antibodies, COVID-19 Testing, CoVIg-19 Plasma Alliance, Emergency Use Authorization, FDA, Moderna, Pfizer, SARS-CoV-2 spike protein, Testing LabsThe U.S. Food and Drug Administration gave Emergency Use Authorization (EUA) to a Covid-19 test developed by Roche that measures antibodies within the blood.