Infection | infection | Chlamydia infection | Group A streptococcal infection | Staphylococcal infection | Focal infection theory | The Infection | Protozoan infection | Group B streptococcal infection |
Independent studies by Ignaz Semmelweis in 1847 in Vienna and Oliver Wendell Holmes in 1843 in Boston established a link between the hands of health care workers and the spread of hospital-acquired disease.