Vanina Pagotto, Facundo Seoane, Diego Arrigo, Victoria Ardiles, Valeria Asprea, Florencia De Florio, Analia Ferloni, Valeria Aliperti
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[Effectiveness and safety of COVID-19 vaccines in healthcare workers in Buenos Aires City, Argentina.]
Introduction: COVID-19 vaccination aids pandemic limitation. In Argentina, three vaccines are approved, and healthcare workers are priorized (HCWs). The aim was to determine the effectiveness of COVID-19 vaccines, analyzing change in Immunoglobulin G levels and the incidence of new COVID-19 cases up to 12 months after the second dose.
Methods: Prospective cohort of HCWs between March 2021- 2022. COVIDAR IgG test was used to measure antibodies. A mixed-effects model was employed to compare the levels of immunoglobulin G at different time points, Kaplan Meier was used to estimate incident COVID-19 cases.
Results: 82 participants were included Adverse events were frequent but mild. All participant showed positive antibody at 12 months. Antibodies levels showed an increase one year after 2nd dose. Sinopharm took a long time to yield positive results. More than half of the people had mild COVID-19 disease.
Conclusion: COVID-19 vaccines are safe and effective.
期刊介绍：
The Journal of the Faculty of Medical Sciences is a scientific publication of the Secretariat of Science and Technology of the Faculty of Medical Sciences of the National University of Cordoba. Its objective is to disseminate and promote research work related to Medical and Biological Sciences. It publishes scientific works of national and international professionals on different topics related to health sciences from the field of medicine, nursing, kinesiology, diagnostic imaging, phonoaudiology, nutrition, public health, chemical sciences, dentistry and related.
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