The efficacy of ivermectin in treating early and mild COVID-19 infections was confirmed in large states such as Uttar Pradesh—home to 241 million residents—where the use of the prophylactic dramatically reduced both the infection rate and the death toll. Even among frontline health care workers, ivermectin proved to be an effective prophylactic against COVID-19.

https://www.zerohedge.com/political/ivermectin-could-population-wide-distribution-have-prevented-chinas-recent-mass-covid