Brazilian media <span class="attribute-to-highlight medbox">and</span> science communicators must understand the main characteristics of misinformation in social media about COVID-19, so that they can develop attractive, up-to-date <span class="attribute-to-highlight medbox">and</span> evidence-based content that helps to increase health literacy <span class="attribute-to-highlight medbox">and</span> counteract the spread of false information.