- known allergic reactions to any components of niclosamide medication - participation in another trial or use of any experimental treatment for covid-19, including chloroquine, hydroxychloroquine, remdesivir, and lopinavir/ritonavir - hospitalization or requirement of hospitalization at the time of enrollment

- known allergic reactions to any components of niclosamide medication - participation in another trial or use of any experimental treatment for covid-19, including chloroquine, hydroxychloroquine, remdesivir, and lopinavir/ritonavir - hospitalization or requirement of hospitalization at the time of enrollment