The study included determining the extent of the effect of common vaccines for the Corona virus (COVID-19). Based on some blood tests of people not previously infected with the virus. From vaccinated and not vaccinated with Corona virus (COVID-19) vaccines, and of both sexes, a total number of 280 people. 70 samples of Pfizer vaccine, 70 Sinopharm, and 70 AstraZeneca. In addition to 70 samples for the control group for ages between (18-70) years, during the period from October 2021 to the end

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... April 2022. The highest value of blood count readings (WBC) was recorded for those vaccinated with AstraZeneca, which was (7.8), and the highest value was recorded The (RBC) for those vaccinated with Pfizer was [5.4], while the highest value for (Hb) was recorded for those vaccinated with Pfizer and it was (15.3). As for (PCV), the highest percentage of it was in the people vaccinated with AstraZeneca and Sinofam (43.8 and 43.0), and the highest percentage of (PLT) was for those vaccinated with Pfizer and Sinopharma (269.0 and 270.6), respectively.