Chloroquine or hydroxychloroquine for prevention and treatment of COVID-19

To evaluate the effects of chloroquine (CQ) and hydroxychloroquine (HCQ) as:

  1. an antiviral treatment on death and time to clearance of the virus from clinical samples and recovery in people with COVID-19;
  2. a prophylactic treatment on prevention of COVID-19 in people at risk of SARS-CoV-2 exposure;
  3. a prophylactic treatment on prevention of COVID-19 in people who have been exposed to SARS-CoV-2.

This is a protocol.

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