evidence: In it, the group claims (against all available scientific evidence) that Americans don't need to wear masks. They say hydroxychloroquine is a "cure" for COVID-19, but that it is being suppressed by the US Government. The video directly contradicts advice from Trump's own medical experts, who have urged Americans to slow the spread of the virus by wearing masks, and who have cautioned against using hydroxychloroquine to treat coronavirus. [...] Multiple studies from the US, France and China have concluded that hydroxychloroquine is not effective for treating COVID-19.