Abstract Objectives Considering the therapeutic potential of honey and Nigella sativa (HNS) in coronavirus disease 2019 (COVID-19) patients. the objective of the study is defined to evaluate the prophylactic role of HNS. Trial design The study is a randomized. placebo-controlled. https://www.spidertattooz.com/Kaiser-Copy-Stand-RS-1-with-RA-1-Arm-40-Counterbalanced-Column-and-18-x-20-Baseboard/