The Food and Drug Administration has sent a letter of warning to Gojo Industries, Purell's parent company.<br />The letter tells the company to stop claiming that its hand sanitizer can prevent diseases like Ebola and MRSA.<br />The letter said the company had no evidence to support various claims made on Purell marketing materials.<br />Purell claimed it "kills more than 99.99% of most common germs that may cause illness in a healthcare setting, including MRSA & VRE.