Since the outbreak of the coronavirus disease 2019 (COVID-19) pandemic, caused by the
severe respiratory syndrome coronavirus 2 (SARS-CoV-2), millions of people have died …

SARS-CoV-2 infection, discovered and isolated in Wuhan City, Hubei Province, China,
causes acute atypical respiratory symptoms and has led to profound changes in our lives …

The immune system protects the body from infectious agents such as bacteria, viruses, or
fungi. Once encountered with pathogens or antigens, the innate and adaptive arms of the …

Abstract On December 22, 2021, the United States Food and Drug Administration approved
the first main protease inhibitor, ie, oral antiviral nirmatrelvir (PF-07321332)/ritonavir …

The COVID-19 pandemic has led to severe financial, clinical, and societal repercussions
and imposed more pressure on the healthcare system of many nations. COVID-19 impacts …

Zinc is an essential nutrient for human health; it is involved in the catalytic, structural, and
regulatory functions of the human cellular system. Different compositions of zinc, as well as …

COVID-19, an infectious disease caused by SARS-CoV-2, was discovered at the end of
2019. COVID-19 virus invades the lungs, causing pneumonia. Fever, shortness of breath …

The overarching importance of sleep was further emphasized during the pandemic of
COVID-19. The subjects infected by COVID-19 frequently experience sleep disturbances; …

Melatonin, which is classified as a dietary supplement by the Saudi Food and Drug
Authority, is used to manage sleep disorders. In this study, community pharmacists' …

The indolamine hormone melatonin, also known as N-acetyl-5-methoxytrypamine, is
frequently associated with circadian rhythm regulation. Light can suppress melatonin …