“Evaluation of Human IgM and IgG Titers in Iraq Following Vaccination With the MRNA and the Inactivated COVID-19 Vaccine at One Month and Six Months”. Tikrit Journal of Veterinary Science 2, no. 1 (June 1, 2023): 89–95. Accessed December 5, 2025. https://tjvs.tu.edu.iq/index.php/tjvs/article/view/37.