![How a Polio Outbreak in Copenhagen Led to the Invention of the Ventilator | Innovation | Smithsonian Magazine How a Polio Outbreak in Copenhagen Led to the Invention of the Ventilator | Innovation | Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/Z35n7vWLotrENSwl1TbK2cd1yxI=/fit-in/1600x0/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/f6/f6/f6f67441-07d0-4458-9c7e-08640f1dbe85/ventilator_social.jpg)
How a Polio Outbreak in Copenhagen Led to the Invention of the Ventilator | Innovation | Smithsonian Magazine
![Too Many COVID-19 Patients, Too Few Ventilators: An Ethical Framework to Guide Hospitals | Johns Hopkins | Bloomberg School of Public Health Too Many COVID-19 Patients, Too Few Ventilators: An Ethical Framework to Guide Hospitals | Johns Hopkins | Bloomberg School of Public Health](https://publichealth.jhu.edu/sites/default/files/styles/article_feature/public/2021-07/ventilator.jpeg?h=a225540d&itok=8UP-HcDi)
Too Many COVID-19 Patients, Too Few Ventilators: An Ethical Framework to Guide Hospitals | Johns Hopkins | Bloomberg School of Public Health
![Elderly covid-19 patients on ventilators usually do not survive, New York hospitals report - The Washington Post Elderly covid-19 patients on ventilators usually do not survive, New York hospitals report - The Washington Post](https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/NJ5J33U2DQI6VIUCHBXVNVLZ4Y.jpg)
Elderly covid-19 patients on ventilators usually do not survive, New York hospitals report - The Washington Post
![Helmet-based ventilation is superior to face mask for patients with respiratory distress - UChicago Medicine Helmet-based ventilation is superior to face mask for patients with respiratory distress - UChicago Medicine](https://www.uchicagomedicine.org/-/media/images/ucmc/forefront/channel-pages/science-life/helmet-pic1.jpg?h=385&as=1&hash=447007751C84F9947813C5FBBDEF761A)
Helmet-based ventilation is superior to face mask for patients with respiratory distress - UChicago Medicine
![New low-cost ventilator which doesn't need electricity could help hospitals treat COVID patients | News and events | Loughborough University New low-cost ventilator which doesn't need electricity could help hospitals treat COVID patients | News and events | Loughborough University](https://www.lboro.ac.uk/media/wwwlboroacuk/external/content/mediacentre/pressreleases/2021/02/shiventmainimage.jpg)