Thanks for that explanation Charlie, lot's of people here wear a mask but
don't cover the nose, probably works ok to reduce infection of others but
not them ! Assuming that is that they breath in through the nose and out
through the mouth.
...Wayne
> -----Original Message-----
> From: olympus <olympus-
> bounces+wayne.harridge=structuregraphs.com@xxxxxxxxxxxxxxxxx> On
> Behalf Of Charles Geilfuss
> Sent: Wednesday, 4 November 2020 8:29 AM
> To: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
> Subject: Re: [OM] Autumn lillypads
>
> I believe you are right, Moose, but for the wrong reason. The only
digestive
> enzyme produced by the salivary glands is amylase which is specific for
> digesting plant starches. Covid does not have a carbohydrate coat so
amylase
> would have no effect on it. The real reason is the difference in lining
> epithelium of the mouth and nose. The inner portions of the nasal passages
> are lined by respiratory epithelium for which a host of viruses have
evolved
> the ability to infect. The mouth is lined by squamous epithelium which can
be
> infected by some viruses (Pox, HPV) but is resistant to respiratory
viruses.
>
> Charlie
>
> On Tue, Nov 3, 2020 at 3:51 PM Moose <olymoose@xxxxxxxxx> wrote:
>
> > On 11/3/2020 5:53 AM, Wayne Shumaker wrote:
> > > <>
> > > Recent research indicates that the nasal cavity area is quite
> > > vulnerable
> > for the infection.
> > >
> > https://www.sciencealert.com/a-second-key-used-by-sars-cov-2-to-
> enter-
> > cells-could-explain-why-it-s-so-infectious
> > > For all those people who don't know how to wear a mask and cover
> > > their
> > nose...idiots.
> >
> > I continue to be mystified at the info/advice from even "experts"
> > Saliva is a digestive juice, albeit a mild one. It's the first step of
> > digestion. Hence, with saliva starting to digest the viruses, the
> > likelihood of infection from virus in the mouth is probably low,
> > certainly lower than nasal mucous membranes.
> >
> > Hence my use of a narrow, improvised nose mask in the dental chair.
> >
> > Belt or Suspenders Moose
> >
> > --
> > What if the Hokey Pokey *IS* what it's all about?
> > --
> >
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