Half the U.S. Supply of Trump-Touted Virus Drug Now Cut Off

Nearly half the supply of hydroxychloroquine to the U.S. comes from makers in India, a flow that has now been abruptly stanched after the Asian nation banned exports of all forms of the malaria drug touted by President Donald Trump as a “game changer” for treating the coronavirus.

According to data compiled by Bloomberg Intelligence, 47% of the U.S. supply of the drug last year came from India makers. Only a handful of suppliers in the top 10 are non-Indian, such as Actavis, now a subsidiary of Israeli generics giant Teva Pharmaceutical Industries Ltd. It’s likely that some ...