In an ideal world everyone would have full body Ebola type protection. In the world of practicality, the WHO has advised that this is a droplet, and surface spread infection. However, it is not discounting the possibility of aerosols especially during some medical procedures eg. induced coughing, and then a potentially ill fitting mask and goggles may not ...
In the United States, any ventilator must fulfill:
requirements as set forth in Medical Device Standards.
Sales of medical devices are regulated by the FDA: a lengthy (data intensive) and paperwork intensive process. FDA ventilator specific guidance within the context of COVID respirator demand
I would suggest that you identify ...