Jaafar Kadhim Al-Ameri Rawa, Prevalence of Covid 19 in Students Attended Al-Dora Family Medical Center for Covid 19 Test, International Journal of Coronaviruses, Volume 4, Issue 3, 2022, Pages 1-8, ISSN 2692-1537, https://doi.org/10.14302/issn.2692-1537.ijcv-22-4174. (http://oap-journals.infoijcv/article/1830) Keywords: Covid 19; vaccinated; disease