Reoccurrence of Covid-19 infection in vaccinated Iraqi community.

Covid-19 is a novel severe acute respiratory syndrome (SARS-CoV-2) which targets the respiratory system of the body and spreading very rapidly throughout the world. Currently, Covid-19 is globally affecting health systems, social life and economy of a country. Although it has no treatment but the whole world is trying to produce promising vaccines to overcome its deadly effects. The main objective of this study is to acknowledge the reoccurrence of covid-19 with associated risk factors in Iraqi communities after getting one of three covid vaccines such as Sinopharm (inactivated vaccine), AstraZeneca-Oxford (vector vaccine) and Pfizer-BioNTech (mRNA-based vaccine). These vaccines induce potent neutralizing antibody (Nab) against the emerging variants of novel SARS-CoV-2 which helps in prevention of spreading of disease. About 2.5% of individuals showed severe effects while other 97.5% showed no life-threatening side effects e.g., chills, fever, fatigue, headache and myalgia which last for about 24 hours after vaccination. Biochemical analysis of blood cells, platelets, sedimentation factor and CRP proteins showed increased response of body against inflammation. Low to moderate adverse effects at post vaccination represent the strengthening of immune system. Covid-19 vaccines are safe to take and vaccinated individuals have least chances of reoccurrence of Covid-19 infections. [ABSTRACT FROM AUTHOR]

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