This article discusses the infodemic in Argentina and Brazil. Based on the sociology of social problems approach, it analyses the discourse and practices of 17 interviewees who are involved in raising public awareness and influencing political decision-makers regarding the effects of the infodemic. The results show that they condemn the politicisation of scientific information. In both countries, the interviewees have questioned the effectiveness of state regulation and platform self-regulation, emphasising the need to improve the media's science reporting, invest in science literacy, and develop fact-checking strategies to prevent the spread of scientific misinformation