Importance Uptake of vaccination against COVID-19 is strongly affected by concerns about
adverse effects. Research on nocebo effects suggests that these concerns can amplify …

Background The rapid authorization and widespread rollout of COVID-19 vaccines in the
United States demonstrated a need for additional data on vaccine side effects, both to …

Importance Little is known about the factors associated with COVID-19 vaccine adverse
effects in a real-world population. Objective To evaluate factors potentially associated with …

Introduction Our objective was to describe and compare self-reported side effects of COVID-
19 vaccines in the USA. Methods A web-based registry enrolled volunteers who received a …

The availability of multiple Covid-19 vaccines following clinical trial results indicating high
efficacy in preventing Covid-19 are encouraging for prospects for controlling the Covid-19 …

Long-term control of SARS-CoV-2 requires effective vaccination strategies. This has been
challenged by public mistrust and the spread of misinformation regarding vaccine safety …

The current pandemic has posed an unpresented challenge on many levels. Therefore, the
development of vaccines was eagerly awaited, and the first breakthroughs were celebrated …

Background Active monitoring of safety outcomes following COVID-19 vaccination is critical
to understand vaccine safety and can provide early detection of rare outcomes not identified …

Introduction During the COVID-19 pandemic, EMA set-up a large-scale cohort event
monitoring (CEM) system to estimate incidence rates of patient-reported adverse drug …

Introduction The rapid development of COVID-19 vaccines has provided crucial tools for
pandemic control, but the occurrence of vaccine-related adverse events (AEs) underscores …