- • people with history of previous confirmed covid-19 infection. - pregnant and lactating females. - people with neuropsychiatric disorders: myasthenia gravis, epilepsy, psychotic disorder, schizophrenia, repeated episodes of anxiety, depression. - people with liver cirrhosis or raised liver enzymes. - people with arrhythmias or prolonged qt interval on ekg. - people with a history of quinidine-quinine analogs allergy.

- • people with history of previous confirmed covid-19 infection. - pregnant and lactating females. - people with neuropsychiatric disorders: myasthenia gravis, epilepsy, psychotic disorder, schizophrenia, repeated episodes of anxiety, depression. - people with liver cirrhosis or raised liver enzymes. - people with arrhythmias or prolonged qt interval on ekg. - people with a history of quinidine-quinine analogs allergy.