Study the Relationship between Severity of Post-Vaccination with Infection of COVID-19 and Vaccination

Alaa Hamza Jaber Al-Jelehawy *

Medical Microbiology Department, College of Medicine, University of Jabir Ibn-Hayan for Pharmaceutical and Medical Sciences, Iraq.

Ali Redha Abdulamer Sherali

Medical Laboratory Techniques Department, College of Health and Medical Technology, Al-Kafeel University, Iraq.

*Author to whom correspondence should be addressed.


Background: The pandemic illness of coronavirus 2019 is caused by (SARS-CoV-2), it was started from China in December 2019. It speedily disseminate in the world and became a general threat.  More than 5 million persons have died in the world.

Aim of the Study: For assessments the relationship between vaccination and severity of post-vaccination with COVID-19 infection.

Methods: This study had been conducted on (120) qRT- PCR confirmed infected individuals by COVID-19 (55 females and 65 males) ages ranging in 18-80 years from September 2023 to December 2023.

Results: In the current study found from 120 patients positive with COVID-19, 65(54.16%) male and were female 55(45.86%), the difference was statistically not significant. The current study showed the age groups (20-30) years and (41-50) were the most affected (21.6%) and (18.6%) respectively. Present result showed that 28 (23.3%) had mild diseases, 40 (33.3%) had moderate diseases, 36 (30%) had severe diseases and16 (13.3) were admitted to critical care, that was statistically significant. In this study, 18\120 (15%) of patients who had received the vaccine against COVID-19 virus where 4\18 (22.22.%) received Pfizer and 14\18 (77.77%) Astra Zeneca.

Conclusion: These urvey exhibited that there was no important difference between females and males.

Keywords: COVID-19, ACE2 receptor, SARS-CoV-2, syndrome of serious acute respiratory distress, co-infection, vaccination

How to Cite

Al-Jelehawy, A. H. J., & Sherali, A. R. A. (2023). Study the Relationship between Severity of Post-Vaccination with Infection of COVID-19 and Vaccination. Microbiology Research Journal International, 33(11), 9–13.


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