The Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, is an mRNA-based COVID-19 vaccine developed by the German biotechnology company...

Administration (FDA) first granted emergency use authorization to the Pfizer–BioNTech vaccine on December 10, 2020, and mass vaccinations began four days...

2020. Pfizer-BioNTech COVID-19 vaccine. Pan American Health Organization. "Arcsa autoriza ingreso al país de vacuna Pfizer-BioNTech para el Covid-19 – Agencia...

2021. "Hospitalizan a doctora en NL por reacciones adversas a vacuna de Pfizer contra Covid-19". El Universal (in Spanish). January 2, 2021. Retrieved January...

showing 86% efficacy. While mRNA vaccines like the Pfizer–BioNTech COVID-19 vaccine and Moderna COVID-19 vaccine showed higher efficacy of over 90%, those...

November 23, 2021, the following doses had been received: 59,296,575 Pfizer–BioNTech COVID-19 vaccine doses, 16,105,300 Moderna vaccine doses, 17,427,500 Oxford–AstraZeneca...

March 2020. "Costa Rica y Panamá aprobaron el uso de emergencia de la vacuna contra el coronavirus de Pfizer". infobae (in European Spanish). 16 December 2020...

se aplicaron 39.599 dosis de la vacuna contra COVID-19 al personal de salud" [39,599 doses of the vaccine against COVID-19 were applied to health professionals]...

de Marzo (12 March 2021). "El personal sanitario de Uruguay empezó a recibir la vacuna de Pfizer contra el coronavirus". infobae (in European Spanish)....

"La República Dominicana aprueba la vacuna de AstraZeneca contra la covid-19" [The Dominican Republic approves the AstraZeneca vaccine against covid-19]...