This study aimed to study the vaccination status among Coronavirus disease 2019 (COVID-19)-positive cases admitted in isolation centers in Saudi Arabia. This is an analytical, cross-sectional, hospital-based study. It was conducted in isolation centers from January to June 2022. An organized, structured, and pretested questionnaire was used in this study (n = 297). The majority of the study participants were aged more than 60 years (71%), most of the study participants were males (58.7%), and th

This article presents the results of several studies of the new Bentorb sorbent, which is produced from wine-making waste - adhesive deposits of yellow blood salt. It was found that oxygen, carbon, silicon, aluminum, iron, nitrogen, and magnesium occupy the largest percentage in the sorbent sample. Studies of the toxicological properties of Bentorb sorbent were carried out on laboratory animals. Studies of the acute toxicity of the Bentorb sorbent were conducted on 60 white mongrel rats weighing