Documentary review on the immune response against SARS-COV-2

Abstract

The disease caused by the new coronavirus (COVID-19) is characterized by fever and cough, affects the lower respiratory tract, and is associated with age, comorbidities, and a weakened immune system. The coronavirus has convulsed the entire world, which raises the need to investigate the risks it represents for health. The objective of this research work was to systematize the evidence reported regarding the levels of immunization against type 2 coronavirus in immunized individuals worldwide. A bibliographical review was carried out under a qualitative approach of a documentary type with an exploratory descriptive design based on a procedure that implies tracking, organization, systematization and joint analysis of electronic documents on the subject in question, the search strategy that was based on academic profiles was used. accredited to be able to substantiate this article as in the Pubmed database, academic Google, Scielo, using as keywords inherent factors, immunity, antibodies. 37 original and review articles from the last 5 years (2016-2021) were included. Finally, we conclude that the vaccines with the best results according to the levels of antibodies reached were Astra Zeneca, due to high effectiveness from the second dose 12 weeks after it, the Sinopharm vaccine, had a ninety percent effectiveness 90 days after the second dose, and later when placing the third dose.