This document discusses the analysis of COVID-19 misinformation online, particularly from the anti-vaccination (anti-vax) community, using machine learning. The study finds that the anti-vax community has a broader range of topics, making them more appealing to a diverse audience compared to the pro-vax community, which could hinder vaccine adoption and herd immunity. Additionally, the paper proposes a mechanistic model to assess intervention strategies against health misinformation on social media platforms.