Post-vaccination covid-19 side effects in the Zacatecan population

Abstract

Introduction: COVID-19 is a pathology that can be fatal; vaccination has been shown to be effective in reducing mortality, side effects may occur, the management and administration of vaccines by nursing personnel has been essential to reduce the presence of severe cases. Objective: To compare the side effects presented in the first and second doses of COVID-19 vaccines by sociodemographic characteristics in the Zacatecas population. Methodology: descriptive, comparative study, in 366 Zacatecas adults selected by non-probabilistic sampling, of legal age, who had two doses of anticovid-19 vaccine, those who did not have a national health card or proof of vaccination were excluded, the Technical Sheet of Adverse Effects post-vaccination COVID-19 was applied; Adverse effects were considered as an unwanted response following vaccination. The study subjects participated voluntarily, anonymously and obtained prior signature of informed consent. Data were analyzed using descriptive statistics and non-parametric tests. Results: The majority were women, with 2 doses of vaccine, 45.9 % were vaccinated Pfizer, 68.6 % had COVID-19 before being vaccinated, there were greater side effects in the group of 18 to 30 years, there were no statistically significant differences by education, marital status, socioeconomic level and place of residence, in the first and second doses of the AstraZeneca vaccines, Cansino and Moderna had more side effects than Pfizer. Conclusions: The present study coincides with research conducted where side effects were lower at the second dose. The present study reaffirms that research conducted on the side effects of COVID-19 vaccines.