@article{stiegelmeier_bressan_martinez_2022,  title={The Effects of Vaccination on Covid-19 Dynamics in Brazil: A Fuzzy Approach},  volume={65},  ISSN={1516-8913},  url={https://doi.org/10.1590/1678-4324-2022220185},  DOI={10.1590/1678-4324-2022220185},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Stiegelmeier, Elenice Weber and Bressan, Glaucia Maria and Martinez, André Luis Machado},  year={2022},  pages={e20220185} }