COVID-19: Are WHO's directives being taken seriously on the ground? First it was their confused stance on wearing face masks at the onset of the pandemic, then their controversial decision to drop Remdesivir from a list of approved drugs to treat Covid 19 in November and now itâs the WHOâs latest advisory against using the oral anti-parasitic drug Ivermectin for Covid 19 treatment, which appeared in the form of a Tweet on May 10 th by none other than their Chief Scientist Soumya Swaminathan, that has ruffled feathers. She wrote, â Safety and efficacy are important when using any drug for a new indication. @WHO recommends against the use of Ivermectin for #COVID19