The National Movement for Vaccination began on 03/27, with President
Lula receiving the bivalent dose against Covid-19. The event was widely publicized and generated many reactions on the internet. Disinformation content was published en masse on this day over different platforms, and reverberated over the following days.
The publications demonstrate a wave of old anti-vaccine ideas returning, especially as a reaction to the new wave of immunization. Regarding the volume of content over time, Whatsapp, Telegram and disinformation sites stand out for their role in keeping the debate strong throughout the analyzed period.