Dr. Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases and one of President Trump’s top officials working to curb the outbreak in the U.S., has warned against saying this is full proof. He’s a professional. This is a new virus. This drug has not been tested in this regard, but thousands of doctors are saying it works.

There was research from 2005 showing the drugs worked on SARS and earlier cov type viruses. Chloroquine Known as Effective Against Coronavirus Since 2005