In one aspect, a coronavirus is treated by administering a pharmaceutical composition containing a therapeutically effective amount of isomyosmine or a pharmaceutically acceptable salt thereof. In another aspect, oxidative stress is reduced in an individual suffering from a coronavirus by administering a pharmaceutical composition containing a therapeutically effective amount of isomyosmine or a pharmaceutically acceptable salt thereof. In another aspect, mitochondrial reactive oxygen species (mtROS) are inhibited in an individual suffering from a coronavirus by administering a pharmaceutical composition containing a therapeutically effective amount of isomyosmine or a pharmaceutically acceptable salt thereof. In one example, the coronavirus is Covid-19.
