Amazon is under pressure from Democrats in Congress over how its algorithms promote hoax COVID-19 cures, including the livestock dewormer ivermectin, as well as anti-vaccination claims and other medical misinformation. Rep. Adam Schiff of California and Sen. Elizabeth Warren of Massachusetts sent letters this week to CEO Andy Jassy pressing for information on Amazon's misinformation policies and what the company is doing to stop its systems from recommending books and other products linked to falsehoods about the pandemic and vaccines.