Chloroquine and hydroxychloroquine: Chemistry in its element

Published: March 27, 2020, 3:57 p.m.

Old drugs sometimes find their way back into the news. The Covid-19 pandemic \u2013 and some very high profile backing \u2013 has led to malaria drugs chloroquine and hydroxychloroquine hitting the headlines worldwide. Ben Valsler explores both the history and the hype.