Pfizer announced a plan to fully vaccinate an entire Brazilian city to study the long-term effects and safety of its COVID-19 vaccine in a "real-life scenario.".
The one-year study will simulate a situation in which everyone aged 12 and older is fully vaccinated with the Pfizer-BioNTech serum.
"Here we believe in science and we lament the almost 600,000 deaths from Covid-19 in Brazil," Toledo Mayor Beto Lunitti said when the study was announced, per the Times. .