Older malaria drugs are being studied, and in some cases used, to treat or try to prevent infection with the new coronavirus, even though there is no firm evidence to show they are effective.
Studies are underway in a number of countries, including China, France and the United States, to see whether the pills - chloroquine and hydroxychloroquine - may have a role to play in the rapidly spreading pandemic.
U.S. President Donald Trump has touted the malaria drugs as "a game changer." But the Food and Drug Administration and other health experts said trials must first ensure the medicines are effective and safe for use in this patient population. Why are malaria drugs under consideration? There are currently no vaccines or U.S.-approved