Hydroxychloroquine prophylaxis for COVID-19 contacts in India

https://doi.org/10.1016/S1473-3099(20)30313-3

The Indian Council of Medical Research, under the Ministry of Health and Family Welfare, has recommended chemoprophylaxis with hydroxychloroquine (400 mg twice
on day 1, then 400 mg once a week thereafter) for asymptomatic healthcare workers treating patients with suspected or confirmed COVID-19, and for asymptomatic household contacts of confirmed cases.