Hydroxychloroquine Effective in Preventing CCP Virus: Studies

An arrangement of hydroxychloroquine pills is seen in Las Vegas on April 6, 2020. John Locher/AP Photo

Hydroxychloroquine was effective when taken to prevent infection of the CCP virus, researchers in India found.

Three recent studies demonstrated enough effectiveness that officials are recommending all asymptomatic healthcare workers, whether they’re treating COVID-19 patients or not, should take the drug as a prophylactic.