Too Long; Didn't Read
There are over 40 open-source ventilator projects seeking to save lives by providing last-resort ventilators when there are not enough officially approved. The UK has produced a Rapidly Manufactured Ventilator System (RMVS) specification that clearly sets out what they consider to be the minimal set of features needed to treat a patient with ARDS, the worst complication of COVID-19. Endcoronavirus.org volunteers have produced a public repository of 200 tests.