treatment of COVID-19 that include interferon alpha, lopinavir/ritonavir, chloroquine phosphate, ribavirin, and arbidol. Some of the drugs that are presently at clinical trials stage are chloroquine, arbidol, remdesivir, and favipiravir [40,41]. Of all these drugs lopinavir/ritonavir, chloroquine phosphate, and arbidol are administered via oral route. However, favipiravir appears to be the most potent and prom