Palabras claves: BNT162 vaccine, booster immunizations, ChAdOx1 nCoV-19, covid-19, COVID-19 vaccines, SARS-COV-2, side effects and adverse reactions
Autores: Flores-Lastra N., Glenda Guayasamín-Tipanta, Jácome-García M., Luis Fuenmayor-González, Manterola C., Otzen T., Rivadeneira-Dueñas J.