This research investigates the immune responses in 280 individuals from diverse age
groups and both sexes in Iraq's Middle Euphrates region. All participants had experienced …

Abstract Background/Aims Vaccination against severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) is one of the best policies to control COVID-19 pandemic. The …

A number of studies have suggested that influenza vaccination can provide protection
against COVID-19, but the underlying mechanisms that could explain this association are …

The outbreak of the COVID-19 pandemic at the turn of 2019 and 2020 posed a substantial
challenge for the world. The number of infected people and deaths reached unprecedented …

The global health emergency caused by COVID-19 concluded in May 2023, marking the
beginning of an endemic phase. This study aimed to evaluate the association between …

Since the emergence of COVID-19 disease, more than 600 million people have been
affected. However, the severity and the risk of mortality of the disease were shown to depend …

Determining the extent of immunity induced by booster doses of COVID-19 vaccinations is
crucial for informing recommendations for booster dose regimens as well as constant …

To investigate the clinical characteristic of domestic coronavirus disease 2019 (COVID-19)
patients after vaccination campaign conducted in China. According to vaccination status and …

Purpose Our study aims to describe post-vaccination side effects, evaluate the effectiveness
of Covid-19 vaccines and determine the reasons for vaccine hesitancy among Syrians …

Background The aim of the study was to evaluate the humoral and cellular immunity after
SARS-CoV-2 infection and/or vaccination according to the type of vaccine, number of doses …