The effectiveness of coronavirus disease 2019 (COVID-19) vaccination strategies is affected
by several factors, including the genetic background of the host. In our study, we evaluated …

SARS-CoV-2, the agent responsible for COVID-19, has wreaked havoc around the globe.
Hundreds of millions of individuals have been infected and well over six million have died …

SARS-CoV-2 continues to pose a global threat, and current vaccines, while effective against
severe illness, fall short in preventing transmission. To address this challenge, there's a …

Background: SARS-CoV-2, the virus responsible for the current COVID-19 infection
pandemic, has caused substantial damage and negative impacts in the world, including …

IgA plays a crucial role in early virus neutralization. To identify the IgA stimulation by COVID-
19 vaccine, this study aimed to evaluate the level of anti-S1 IgA in the serum of participants …

Selective IgA deficiency (sIgAD) is the most common primary immunodeficiency disorder. 1
Selective IgA deficiency is defined as serum IgA levels below 0.07 g/L, with normal other …

Potential of high‐titre IgA convalescent plasma to improve survival and symptoms in COVID‐19
patients - PMC Back to Top Skip to main content NIH NLM Logo Access keys NCBI Homepage …

Objective Severe Acute Respiratory Coronavirus-2 (SARS-CoV-2) has been known to cause
immune dysregulation. However, the association between specific immunoglobulins and …

Comparative analysis of IgG levels in blood sera from patients with COVID-19, persons
vaccinated by «Gam-COVID-Vac» and healthy donors before the pandemic - Tarakanova …

COVID-19 has had a calamitous impact on the global community. The true death toll is likely
to greatly exceed the current official number of 6.5 million. Hundreds of millions of patients …