Background Vaccination against COVID-19 is among the most effective measures to stop
the spread of the disease. However, acceptance of vaccination against COVID-19 among …

Great expectations are placed in vaccines against COVID-19 to control the pandemic. We
reviewed the antibody titres in a cohort of healthcare workers (HCWs) vaccinated with …

Vaccine breakthrough SARS-CoV-2 infection has been monitored in 3720 healthcare
workers receiving 2 doses of BNT162b2. SARS-CoV-2 infection is detected in 33 subjects …

Objectives To assess the antibody response to BNT162b2 mRNA COVID-19 vaccine in a
cohort of health-care workers (HCW), comparing individuals with previous severe acute …

Background SARS-CoV-2 vaccines are an invaluable resource against COVID-19. Current
vaccine shortage makes it necessary to prioritize distribution to the most appropriate …

Objectives To assess the humoral and cell-mediated response to severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) elicited by the mRNA BNT162b2 vaccine in SARS …

Abstract Background SARS-CoV-2 variant Beta (B. 1.351) was designated as a Variant of
Concern (VoC) after becoming the dominant strain in South Africa and spreading …

Abstract Background The Kingdom of Saudi Arabia (KSA) was the fourth country in the world
to authorize the BNT162b2 coronavirus disease 2019 (COVID-19) vaccine, which it rolled …

Immune escape is observed with SARS-CoV-2 Omicron (Pango lineage B. 1.1. 529), the
predominant circulating strain worldwide. A booster dose was shown to restore immunity …

On 27th December 2020 the vaccine campaign against SARS-CoV-2 started in Europe.
Because of the high risk and their crucial role in tackling SARS-CoV-2 pandemic, healthcare …