* refusal to participate expressed by patient or legally authorized representative if they are present. * patients with prolonged qt or pr intervals, second or third degree heart block and arrhythmias. * patients using drugs with potential interaction with favipiravir or hydroxychloroquine. * pregnant or lactating women. * history of alcohol or drug addiction in the past 5 years. * blood alanine transaminase/aspartate aminotransferase (alt/ast) levels \> 5 times the upper limit of normal on laboratory results.

* refusal to participate expressed by patient or legally authorized representative if they are present. * patients with prolonged qt or pr intervals, second or third degree heart block and arrhythmias. * patients using drugs with potential interaction with favipiravir or hydroxychloroquine. * pregnant or lactating women. * history of alcohol or drug addiction in the past 5 years. * blood alanine transaminase/aspartate aminotransferase (alt/ast) levels \> 5 times the upper limit of normal on laboratory results.

- refusal to participate expressed by patient or legally authorized representative if they are present. - patients with prolonged qt or pr intervals, second or third degree heart block and arrhythmias. - patients using drugs with potential interaction with favipiravir or hydroxychloroquine. - pregnant or lactating women. - history of alcohol or drug addiction in the past 5 years. - blood alanine transaminase/aspartate aminotransferase (alt/ast) levels > 5 times the upper limit of normal on laboratory results.

- refusal to participate expressed by patient or legally authorized representative if they are present. - patients with prolonged qt or pr intervals, second or third degree heart block and arrhythmias. - patients using drugs with potential interaction with favipiravir or hydroxychloroquine. - pregnant or lactating women. - history of alcohol or drug addiction in the past 5 years. - blood alanine transaminase/aspartate aminotransferase (alt/ast) levels > 5 times the upper limit of normal on laboratory results.