Chloroquine and hydroxychloroquine: what to know about the potential coronavirus drugs

As the world's heath experts race to find treatments -- and eventually, a cure -- for the novel coronavirus, two drugs have jumped to the front of the conversation: chloroquine and hydroxychloroquine.

President Donald Trump has called the drugs, which are used to treat malaria and other conditions, game changers, and a rush to procure the pharmaceuticals spurred several US states to take measures to prevent shortages amid the Covid-19 pandemic.

New York moved to begin trials Tuesday, procuring 70,000 doses of hydroxychloroquine and 750,000 doses of chloroquine, Gov. Andrew...