There is still limited evidence regarding the influence of vitamin D in people with COVID-19.
In this systematic review and meta-analysis, we analyze the association between vitamin D …

Introduction To date, the transmission of Coronavirus Disease-2019 (COVID-19) is still
uncontrollable with the fact that the numbers of confirmed and death cases are still …

Viral infections are a leading cause of morbidity and mortality worldwide, and the importance
of public health practices including handwashing and vaccinations in reducing their spread …

The outbreak of COVID-19 has created a serious public health concern worldwide.
Although, most of the regions around the globe have been affected by COVID-19 infections; …

Abstract COVID-19, caused by SARS-CoV-2, emerged as the deadliest outbreak that has
now become a serious health issue to mankind. Activation of inflammatory signaling …

Introduction Vitamin D status is related to risks of influenza and respiratory tract infections.
Vitamin D has direct antiviral effects primarily against enveloped viruses, and coronavirus is …

Operation Warp Speed brought to market in the United States two mRNA vaccines,
produced by Pfizer and Moderna. Interim data suggested high efficacy for both of these …

Abstract oxidative stress is caused by an abundant generation of reactive oxygen species,
associated to a diminished capacity of the endogenous systems of the organism to …

Objective The 2019 coronavirus disease (COVID-19) pandemic has disproportionally
affected a variety of patients with underlying risk factors such as respiratory and …

Background Associations between vitamin D (VD) deficiency and the risk of SARS-CoV-2
infection have been documented in cross-sectional population studies. Intervention studies …