Re: [Vo]:Useful information on masks
On Sun., Aug. 9, 2020, 8:29 p.m. Jed Rothwell, wrote: > H LV wrote: > > >> When you think about it, I don`t think masks have ever been designed >> explicitly to keep stuff in. >> As far as I know masks have traditionally been designed to keep stuff >> out. Keeping stuff in is a new concept. >> > > I believe you are wrong about that. Surgical masks are worn to protect the > patients as much as the doctors. > That is true. I realised that after I sent the message. In a way we are all surgeons now. > >
Re: [Vo]:Useful information on masks
H LV wrote: > When you think about it, I don`t think masks have ever been designed > explicitly to keep stuff in. > As far as I know masks have traditionally been designed to keep stuff out. > Keeping stuff in is a new concept. > I believe you are wrong about that. Surgical masks are worn to protect the patients as much as the doctors.
Re: [Vo]:Useful information on masks
When you think about it, I don`t think masks have ever been designed explicitly to keep stuff in. As far as I know masks have traditionally been designed to keep stuff out. Keeping stuff in is a new concept. Harry On Sun, Aug 9, 2020 at 5:29 PM Jed Rothwell wrote: > This is off-topic, but important. > > It turns out that cheap, throw-away "surgical mask, 3-layer" type masks > work best. These are the ones you can buy anywhere nowadays. Office Depot > sells them cheap. > > See this research article in Science: > > https://advances.sciencemag.org/content/early/2020/08/07/sciadv.abd3083 > > Knitted and bandana types are not recommended. > >> >
