The Science Behind Life-Saving Hand-washing: How Soap Kills Viruses & Infectious Micro-organisms 

174 years ago in the city of Vienna, a young Hungarian doctor named Ignaz Semmelweis stumbled across a link between pathogens on the hand and the spread of communicable diseases. His solution – a mix of handwashing and instrument sterilization between seeing patients – cut his hospital’s childbed fever rate to below 1 percent and […]