Infectious Diseases and Occupational Health Strategies Sepsis Conclusion Resources References THE NEED FOR INFECTION PREVENTION AND CONTROL PRACTICES Infection control was born in the mid-1800s when Ignaz Semmelweis, a Hungarian obstetrician, demonstrated that handwashing could prevent infection. Semmelweis was...
Diseases and Pests: Irises can be severely damaged by iris borers and thrips if not controlled. Whiteflies, slugs and snails, aphids and nematodes may also be a nuisance. Deer will seldom harm irises, but may occasionally bite off the blossoms of the crested types, although will usually spit...