https://www.sciencedaily.com/releases/2020/05/200513200408.htm

Public health misinformation on COVID-19 is reaching far more people than in previous pandemics and has considerable potential for harm, warn the researchers.

While good quality accurate information put out by government bodies and experts is widely available on YouTube, it's often hard to understand and lacks popular appeal, so doesn't have the reach it needs, they add.