here’s something interesting. See his links for national challenge (Canada) and request for proposals (UK) and other pertinent links
Low-Cost Open Source Ventilator-ish Device
https://www.youtube.com/watch?v=n57u1NvXBgw
Video disclaimer: WARNING/DISCLAIMER: Whenever possible, please seek professional medical care with proper equipment setup by trained individuals. Do not use random information you found on the internet. I am not a medical professional, just a random person on the internet.
Italy current
**** Over 3033 Serious/critical