1. Introduction
CORONAVIRUS INFECTION
This research aimed to evaluate the effects of high-dose cholecalciferol (VDThe new coronavirus infection (COVID-19) is a global pandemic that has aggressively propagated worldwide [In this manner, vitamins D (VD) and C, in addition to zinc supplementations, are recommended by the Jordan Ministry of Health as a part of the treatment protocol for COVID-19 patients. VD increases innate cellular immunity and provides direct antibacterial activity against various microorganisms, including enveloped and nonenveloped viruses [Consequently, raising 25-hydroxyvitamin D (25OHD) levels by 1,25(OH)2D3 (VDA previous study [