[ExI] the CDC's weird recommendation on masks
William Flynn Wallace
foozler83 at gmail.com
Wed Mar 11 22:14:20 UTC 2020
I have been on a mission to get people to cough into their elbows. When I
tell them this (also saying it's what a nurse told me) they look at me very
strangely. But I have been my librarian cough into her hand, put it on a
book and hand it to me. Why has it taken so long to get the message across
about vectors? bill w
On Wed, Mar 11, 2020 at 4:21 PM Henrik Ohrstrom via extropy-chat <
extropy-chat at lists.extropy.org> wrote:
> Masks do not provide a good protection, likely because direct inhalation
> or depositing of viri that the mask can protect against is not the main
> problem when you get infected (most of the time/viruses) instead it is
> depositing infectious stuff on surfaces ie cough in hand, take handle and
> the next person takes handle, get virus particles on hand and proceeds to
> touch face, eyes nose mouth and insert virus into system that way. this
> means take really gross gloves protect better against influenza and likely
> So we should all stockpile nasty gloves.....
> Den ons 11 mars 2020 kl 20:56 skrev Dylan Distasio via extropy-chat <
> extropy-chat at lists.extropy.org>:
>> I suspect another reason is that there are no longer any masks available
>> in most US locations, and the government does not have a stockpile that is
>> in sufficient quantities.
>> On Wed, Mar 11, 2020 at 3:47 PM Dan TheBookMan via extropy-chat <
>> extropy-chat at lists.extropy.org> wrote:
>>> It might give people a false sense of security... That said, my mask is
>>> a P200, but I got it for fire season years ago.
>>> Sample my Kindle books at:
>>> On Mar 11, 2020, at 12:04 PM, Stuart LaForge via extropy-chat <
>>> extropy-chat at lists.extropy.org> wrote:
>>> I don't understand this recommendation from the CDC for the public to
>>> NOT wear masks for COVID-19 prophylaxis. Is it based on any evidence or
>>> data? Or is it just because the supply shortage for healthcare workers?
>>> Maybe N-95 respirators are overkill for the general public that is not
>>> regularly face to face with infected patients or entering rooms with
>>> several patients. But why shouldn't somebody at risk not wear a surgical
>>> mask on the subway or bus?
>>> Yes, the virus is small enough to go through the pores of a surgical
>>> mask but it will certainly stop many of the larger aerosol droplets. From
>>> the average cough or sneeze from three to six feet away. In fact according
>>> to this review of the literature, simple disposable surgical masks ARE
>>> effective in protecting the wearer according to 6 out of 7 studies. This is
>>> stronger than the evidence for the efficacy of hand washing which was also
>>> protective but in only 4 out 7 studies.
>>> "These data suggest that wearing a surgical mask or a N95 mask is the
>>> measure with the most consistent and comprehensive supportive evidence.
>>> Seven out of eight studies included masks as a measure in their study and
>>> six out of seven of these studies found masks to be statistically
>>> significant in multivariable analysis. Handwashing was also included in
>>> seven of the studies with four studies showing handwashing to be
>>> statistically significant in multivariable analysis. All other measures
>>> were shown to be statistically significant in multivariable analysis on
>>> only one or two occasions."
>>> What is going on here? Does the CDC just think everybody is too stupid
>>> to properly use a face mask properly? I have in the past been coughed on in
>>> public to my great annoyance so it certainly is a realistic risk. My
>>> professional opinion as a microbiologist is that at risk people should
>>> absolutely wear a mask in crowded conditions and safety glasses or goggles
>>> as well. And if you can't buy any because they are sold out or too
>>> expensive due to price gouging, then you should make your own:
>>> In my opinion ANY barrier to the aerosol from sick people is better than
>>> no barrier. Any insights from the other list members with biomed experience?
>>> Stuart LaForge
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