#Filtration

Dr. Richard Corsi

CorsIAQ

1/ The pdf link that was posted by @CDC on 2/12/21 appears no longer available. The Director of CDC was on @MeetThePress today and referred to the 5 mitigation

Katherine Ellen Foley

katherineefoley

If you haven't been double masking, now's probably the time to start: We know at least the UK variant, which is more transmissible than other variants, is spreading rapidly. But

Nirav D. Shah

nirav_mainecdc

1/Just updated scientific brief on community use of cloth masks to control the spread of #COVID19 from @CDCgov:https://www.cdc.gov/coronavirus/2019-ncov/more/masking-science-sars-cov2.html 2/Important: "Masks also help reduce inhalatio

Paula Olsiewski

polsiewski

Why so little on ventilation? #covid19 virus lingers in the air! Increasing ventilation & filtration reduces risk indoors @CorsIAQ @WBahnfleth @Don_Milton @WargockiPawel @JHSPH_CHS @cdc Has New School Guidelines. Here’s What

Gnome De Plume

PHealthGnome

So when you see this you should probably take into consideration the whole body of evidence. A synopsis of a recent PHAC rapid review can be found on PHO's website.

Dr. Richard Corsi

CorsIAQ

B117 is spreading in US but we have not seen the explosion yet. Brace yourselves. These outcomes in Italy & Israel should give pause, a motivation for tripling down on

David Keating

DavidLKeating

Great article by @zeynep and @jeremyphoward. To answer the question they get asked what and "where to buy proper masks," below is a thread. I have no financial interest in

😊 MKM 😊

mamasaurusMeg

Oh boy, here we go. Let’s look at this oh-so-sloppy CDC publication.“CDC recommends community use of masks, specifically non-valved multi-layer cloth masks”Really? Cloth masks have no production control variables to

Dr. Richard Corsi

CorsIAQ

1/ Why universal mask wearing in buildings is importantFirst, the persons infected are unknown. So, if everyone wears a mask the infectors are also wearing masks. Second, everyone else (receptors)

Dr. Richard Corsi

CorsIAQ

1/ Thanks, Linsey. I have some concerns about public anxiety regarding HVAC systems & recirculation. First, it is just not feasible for many across North America to have supply air

David Elfstrom

DavidElfstrom

CBC Marketplace and UofT's Dr Jeffrey Siegel tested 3 samples of 5 models of air purifier, including the DIY box fan with MERV-11 filter, which was better than the Dyson

Jennifer K McDonald

JenniferKShea

Interesting article on in-flight COVID transmission https://twitter.com/Jemma_Geoghegan/status/1346557476607549441 Passengers A and B were likely infected before the flight and passenger G infected after the flight at quarantine facility. P

Abraar Karan

AbraarKaran

THREAD1/ New paper out in @JAMAInternalMed on evaluating different types of MASKS and their filtration efficiency in indoor settings for #covid19 2/ They used a particle generator that put out

Dr. Richard Corsi

CorsIAQ

Portable HEPA Filter Systems.1/ The cost of retrofitting EVERY public school classroom in the entire US w/ a portable HEPA air filter w/ CADR = 300 cfm is approximately $1

Prof. Gavin Yamey MD MPH

GYamey

I’m seeing a LOT of commentary saying “there’s nothing the US can do other than wait for vaccine roll-out.”I profoundly disagree. We can’t accept 300,000 new infections & 4,000 deaths

felix

felix_maxwell5

Bingo! Finally found an expert to back me up. Hotels are not designed for use as quarantine facilities! @removethecaps @AMA_WAPresident @drajm @AlboMP #strandedaussies @KKeneally #istandwithstrandedaussies https://www.hvacrnews.com.au/news/

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