evidence: Widely used in India, WHO warns against use of ivermectin for treatment of COVID-19 World Health Organisation recommends against the use of ivermectin for COVID-19 except within clinical trials, Soumya Swaminathan, the global health body`s chief scientist said in a tweet. [...] `Safety and efficacy are important when using any drug for a new indication. @WHO recommends against the use of ivermectin for #COVID19 except within clinical trials,` Soumya Swaminathan, the global health body`s chief scientist, said in a tweet.