India has lifted a ban to allow limited exports of an anti-malaria drug sought by U.S. President Donald Trump. Hydroxychloroquine has attracted attention as a possible treatment for coronavirus, although there is no conclusive evidence that it fights the infection.

Trump told reporters Monday at a White House press briefing in Washington that he had asked Prime Minister Narendra Modi during a phone call over the weekend to ensure the supply of hydroxychloroquine (HCQ).

“I said, ‘we’d appreciate your allowing our supply to come out.’