The lecturer in the Department of Biology (Prof. Dr. Alaa Abdul-Hussein Karim Al-Daami) published research entitled (The Relationship between Some Hematological Parameters (CBC) in COVID-19 Patients in Kerbala), which was published in the Journal of (Reports of Biochemistry and Molecular Biology). This study aims to study some blood parameters and the effect of infection with the Coronavirus on these parameters, including the complete blood count (CBC). ) and the percentage of granular cells (Gran%), which can be considered indicators of infection with the virus.