Horsecrap.
This is the actual study:
Background: Ivermectin has demonstrated different mechanisms of action that potentially protect from both coronavirus disease 2019 (COVID-19) infection and COVID-19-related comorbidities. Based on the studies suggesting efficacy in prophylaxis combined with the known safety profile of...
www.cureus.com
Materials and methods: We analyzed data from a prospective, observational study of the citywide COVID-19 prevention with ivermectin program, which was conducted between July 2020 and December 2020 in Itajaí, Brazil.
It's
something but this is not serious double blind study and certainly does not settle anything about ivermectin efficacy, especially considering Delta and Omicron didn't show up untill 2021.
Also, even if we assume perfect methodology, the study does not show particulartly good efficacy with 44 hospitalizations for ivermectin users vs 99 for non-users.
This means at best case we are looking at ~50% efficacy compared to 90% for Pfizer's oral antiviral drug coming online now, which showed efficacy against all Covid-19 types.