levels as an indicator of overall air quality in schools without mechanical ventilation systems and with peak levels above the province's threshold of 1,500 parts per million the previous year.

levels as an indicator of overall air quality in schools without mechanical ventilation systems and with peak levels above the province's threshold of 1,500 parts per million the previous year. Last ...

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On June 14, 2021, Philips Respironics issued a voluntary recall of various CPAP, BiPAP, and mechanical ventilators after the sound-reducing polyester-based polyurethane (PE-PUR) foam used in the ...

"Being on a ventilator is the most uncomfortable thing you can possibly imagine. As doctors, we've seen it. We know how awful it is to be tubed." For weeks, we’ve been hearing that the lack of ...