Why and how hydroxychloroquine can be used in prophylaxis of corona virus 2 infection?

Why and how hydroxychloroquine can be used in prophylaxis of corona virus 2 infection?

:eight_spoked_asterisk: In response to your request i have made this video guys. But please do an ECG before starting HCQ due to risk of torsades.

:eight_spoked_asterisk: This guideline might change in future after further studies and pharmacovigilence reporting.

:eight_spoked_asterisk: Please share so that it reaches to maximum people.

Thank very much.just,now cnn,news FDA approved,limited use of these drugs in corona positive patients.sir,pl update and reassure us as much as you can.pl take care,sir