evidence: "Researchers testing repurposed drugs against Covid-19 found that ivermectin didn't reduce hospital admissions, in the largest trial yet of the effect of the antiparasitic on the disease driving the pandemic," reports the Wall Street Journal: Public-health authorities and researchers have for months said the drug hasn't shown any benefit in treating the disease.... The latest trial, of nearly 1,400 Covid-19 patients at risk of severe disease, is the largest to show that those who received ivermectin as a treatment didn't fare better than those who received a placebo. "There was no indication that ivermectin is clinically useful," said Edward Mills, one of the study's lead researchers and a professor of health sciences at Canada's McMaster University in Hamilton, Ontario. "That finding is consistent with long-standing FDA claims that ivermectin showed no benefits in clinical testing and could be dangerous in large doses,"