https://www.medrxiv.org/content/10.1101/2022.06.10.22276252v1
Conclusions: Ivermectin dosed at 400 mcg/kg daily for 3 days resulted in less than one day of shortening of symptoms and did not lower incidence of hospitalization or death among outpatients with COVID-19 in the United States during the delta and omicron variant time periods.
I don't think the efficacy of using ivermectin has changed much since the FB doctors started recommending it. It's always been bunk and in some cases harmful but the AV dum dums keep taking it. Some people actually do feel better after using it since the ivermectin killed off body parasites they didn't know they had.