Highlights
•  The COVID‐19 pandemic caused by SARS‐CoV‐2 poses a global health emergency.
•  Promising results suggest that chloroquine could stop the spread of SARS‐CoV‐2.
•  In-silico studies confirm the antiviral properties of chloroquine.
•  New mechanism of action of chloroquine elucidated.
•  Hydroxychloroquine is more potent than chloroquine.