Article continues below advertisementMarjorie Taylor Greene is facing mockery online after declaring she has "natural immunity" to hantavirus.On Wednesday, May 6, the former congresswoman responded to controversial doctor Mary Talley Bowden's claim that an anti-parasitic medication used in veterinary medicine "should work" to treat the rare rodent-borne illness - which recently made headlines due to a deadly cruise ship outbreak."I actually texted her today and asked what can we treat hantavirus with. I'm so glad she posted it," Greene, 51, wrote. "Ivermectin. Also vitamin D and zinc.