There is considerable interest in the waning of effectiveness of coronavirus disease 2019
(COVID-19) vaccines and vaccine effectiveness (VE) of booster doses. Using linked national …

Objective: To analyze the differences in efficacy and safety of different types of novel
coronavirus pneumonia (COVID-19) vaccines in different age groups (young adults and …

Institutionalized and community-dwelling older adults have been greatly impacted by the
coronavirus disease 2019 (COVID-19) pandemic. 1 Older adults have a higher incidence of …

Even after over 2 years of the COVID-19 pandemic, research on rapid, inexpensive, and
accurate tests remains essential for controlling and avoiding the global spread of SARS-CoV …

Safety profiles and humoral responses to inactivated severe acute respiratory syndrome
coronavirus 2 (SARS‐CoV‐2) vaccines have been previously assessed, but cellular immune …

Immune responses after COVID-19 vaccination should be evaluated in different populations
around the world. This study compared antibody responses induced by ChAdOx1 nCoV-19 …

Background Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) has caused significant loss of life and property. In …

SARS-CoV-2 is a highly contagious pathogen that predominantly caused the COVID-19
pandemic. The persistent effects of COVID-19 are defined as an inflammatory or host …

Background and aims The prevalence of metabolic syndrome (MS), wich mainly including
hypertension, hyperglycemia, hyperlipidemia, remains high, and the safety and antibody …

Purpose: The effectiveness of inactivated vaccines against acute respiratory syndrome
coronavirus 2 (SARS‑CoV‑2), the causative agent of coronavirus disease 2019 (COVID-19) …