Since more than a century ago, there has been awareness of the connection between viral
infections and the onset and exacerbation of urticaria. Our knowledge about the role of viral …

The outbreak of coronavirus disease 2019 (COVID-19) represented a new worldwide
challenge, strongly impacting on the global economy, overall health and lifestyle. Since …

Coronavirus disease 2019 (COVID-19) is a highly contagious viral disease caused by
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It has various effects on …

This guidance updates 2021 GRADE (Grading of Recommendations Assessment,
Development and Evaluation) recommendations regarding immediate allergic reactions …

A range of cutaneous reactions has been reported in response to SARS-CoV-2 vaccination.
Of the reported findings, the most common ones include mild, self-limiting injection site …

Methods: This was a retrospective analysis of three patients with LPCVS. Results: In an
observation period of 2 months (January and February 2022), three patients were collected …

It is undisputed that anti-SARS-CoV-2 vaccines can have side effects. Long post-COVID
vaccination syndrome (LPCVS) is one of them and is often neglected. It persists 11 months …

Discussion Disease onset following vaccine may be coincidental or related to the
vaccination. However, since the incidence of CSU in the general population at the same …

Background: Four vaccines have been authorized by the European Medicines Agency
(EMA): viral vector-based vaccines (AstraZeneca; AZD1222 and Johnson & Johnson; Ad26 …

A small fraction of people vaccinated with mRNA–lipid nanoparticle (mRNA-LNP)-based
COVID-19 vaccines display acute or subacute inflammatory symptoms whose mechanism …