Results 21 to 30 of about 20,735 (212)

Immunological Response to ChAdOx1 nCoV-19 Vaccine among Health Care Workers at a Tertiary Care Hospital in Chennai

open access: yesJournal of Pure and Applied Microbiology, 2022
ChAdOx1 nCoV-19 Vaccine (Covishield) has shown good efficacy data but the presence of non responders to the vaccine and the duration of protection conferred by the vaccine has not been clearly documented.
P. Sneka   +2 more
doaj   +1 more source

Thrombotic thrombocytopenic purpura after ChAdOx1 nCoV-19 vaccine [PDF]

open access: yesBMJ Case Reports, 2021
A 50-year-old Indian woman presented with acute dysphasia, left upper limb numbness and thrombocytopenia 12 days after receiving the ChAdOx1 nCoV-19 vaccine (AstraZeneca/Vaxzevria). MRI of the brain was unremarkable. Microangiopathic haemolytic anaemia with thrombocytopenia was noted on her peripheral blood film.
Hui Ping Lee   +2 more
openaire   +2 more sources

The Effects of Heterologous Immunization with Prime-Boost COVID-19 Vaccination against SARS-CoV-2

open access: yesVaccines, 2021
Coronavirus Disease 2019 (COVID-19) pandemic, which is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become the global challenge. Reaching global herd immunity will help end the COVID-19 pandemic.
Tzu-Chuan Ho   +8 more
doaj   +1 more source

Persistence of immunogenicity, contributing factors of an immune response, and reactogenicities after a single dose of the ChAdOx1 (AZD1222) COVID-19 vaccine in the Thai population

open access: yesHuman Vaccines & Immunotherapeutics, 2022
Introduction Due to the vaccine’s short supply and the efficacy of a single dose of the ChAdOx1 (AZD1222) vaccine, many governments delayed the interval between prime and boost dose from 4 to 8–12 weeks.
Kriangkrai Tawinprai   +8 more
doaj   +1 more source

Humoral Immunogenicity of mRNA Booster Vaccination after Heterologous CoronaVac-ChAdOx1 nCoV-19 or Homologous ChAdOx1 nCoV-19 Vaccination in Patients with Autoimmune Rheumatic Diseases: A Preliminary Report

open access: yesVaccines, 2023
Immunogenicity data on the mRNA SARS-CoV-2 vaccine booster after completing a primary series vaccination, other than the mRNA vaccine, in patients with autoimmune rheumatic diseases (ARDs) is scarce.
Porntip Intapiboon   +5 more
doaj   +1 more source

Identification of antigens presented by MHC for vaccines against tuberculosis [PDF]

open access: yes, 2020
Mycobacterium tuberculosis (M.tb) is responsible for more deaths globally than any other pathogen. The only available vaccine, bacillus Calmette-Guérin (BCG), has variable efficacy throughout the world. A more effective vaccine is urgently needed.
Bettencourt, Paulo   +14 more
core   +1 more source

Widespread Arterial Thrombosis after ChAdOx1 nCov-19 Vaccination [PDF]

open access: yesCase Reports in Critical Care, 2022
Vaccine-induced thrombotic thrombocytopenia is an uncommon complication of COVID-19 vaccines using adenovirus mRNA carriers and has been associated with thrombosis of the cerebral venous sinuses and portal system. We report a case of a 69-year-old woman admitted to the intensive care unit due to stroke caused by thrombosis of the right carotid artery 9
Giorgio Berlot   +5 more
openaire   +4 more sources

Comparative analysis of ChAdOx1 nCoV-19 and Ad26.COV2.S SARS-CoV-2 vector vaccines: [Preprint] [PDF]

open access: yes, 2021
Vector-based SARS-CoV-2 vaccines have been associated with vaccine-induced thrombosis with thrombocytopenia syndrome (VITT/TTS), but the causative factors are still unresolved.
Beer, Martin   +16 more
core   +1 more source

Humoral and cellular immune response over 9 months of mRNA-1273, BNT162b2 and ChAdOx1 vaccination in a University Hospital in Spain

open access: yesScientific Reports, 2022
Scarce data have been reported about cellular immunity and longevity for different COVID-19 vaccination schedules. We carried out a prospective study enrolling 709 healthcare workers receiving two doses of mRNA-1273, BNT162b2, ChAdOx1, ChAdOx1/BNT162b2 ...
Leire Fernández-Ciriza   +7 more
doaj   +1 more source

Homologous or Heterologous COVID-19 Booster Regimens Significantly Impact Sero-Neutralization of SARS-CoV-2 Virus and Its Variants

open access: yesVaccines, 2022
We determined the levels of neutralizing antibodies against the SARS-CoV-2 ancestral strain, Delta and Omicron variants of concern (VOCs), in 125 healthcare workers who received CoronaVac as their primary vaccination and later received either a single ...
Rome Buathong   +15 more
doaj   +1 more source

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