The effectiveness of the Covid 19 vaccine in reducing infection in Dongola city, Northern State, Sudan

Abstract

Introduction: Coronavirus disease (COVID-19) caused by the SARS-CoV-2 virus is a communicable disease spread throughout the world after its first appearance in the Chinese city of Wuhan in 2019.
Objectives: The objective of this study was to evaluate the effectiveness of COVID-19 vaccines against infection and controlling the disease.
Methods: This cross-sectional study community based was conducted in Dongola city. Sample size of 800 were randomly selected, from the city population, data were collected using validated questionnaires and it was analyzed using both the Microsoft Excel program and the statistical package of the Social Sciences program (SSPS).
Results: The study showed that there was a significant association between infection with Covid-19 and age, increases among the middle age groups by 61% and decreases among the elder group by 2%. Significant association found between infection with Covid-19 and the type of work, the infection increases among the health sector by 33% compared with workers of other sectors, and this can directly associate with the level of exposure of individuals and sources of infection. Vaccination coverage showed significant association with age, as the coverage increases among the middle age groups by 70% and decreases among the others due to the accessibility of vaccination.
Conclusions: Based on the research findings its recommended to increase vaccination coverage among elderly individuals and workers in the administrative field and self-employment, raising health awareness about the importance of the vaccine, clarifying the importance of personal protective methods in reducing the spread of the disease among the population.