Donald Trump suggested to Scientists to look into possible ways of injecting disinfectant and expose people to light as methods to cure COVID-19. Moreover, Twitter indicated that Trump’s tweets on disinfectant and light are not violations of misinformation policy.
https://www.reuters.com/article/us-health-coronavirus-trump-disinfectant-idUSKCN2261N7
https://www.reuters.com/article/us-health-coronavirus-trump-twitter-idUSKCN2262SR