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Jeff Smith on Air Pollution

30 Oct, 4 tweets, 5 min read

@WHO

@WHO highlights how important #Ventilation is for #HealthyBuildings in order to help reduce the risk of indoor transmission of #COVID19! "This has to be one intervention part of a package of interventions to prevent" #SARSCoV2 transmission. @j_g_allen

@ShellyMBoulder

"In settings like schools or working places ...what we are recommending is to increase the rate of air change; increase the rate of ventilation by natural ways or mechanical ones, always trying to avoid the recirculation of the air." 2/
@ShellyMBoulder @linseymarr @CorsIAQ

@kprather88

"Essentially what we know is to renew the air... if in 1 hour you renew, you change your air six times, I think that will provide quite a sensible way of making sure that we are reducing or preventing the spread of the virus indoors." 3/ #Ventilation #HealthAndSafety @kprather88

@WHO

Advice for building managers/owners from the @WHO website-
"Increase air filtration to as high as possible without significantly diminishing design airflow... filters should be cleaned regularly..." @AndersIAQ @JimRosenthal4
@akm5376 @jljcolorado
who.int/news-room/q-a-….

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More from @jksmith34

Jeff Smith on Air Pollution

@jksmith34

20 Aug

https://twitter.com/LetIndBreathe/status/1296067284012695554

1/
Current scenario enabled by wishful scientists that dont understand the dynamics of policy & governance:

1- policymakers & polluters say 'show me the data'
2- we show them the data & they reply 'the data is not good enough';
3- finance 'experts' provide p-hacked forecasts

https://twitter.com/LetIndBreathe/status/1296067284012695554

2/
3- of weak models based on mega incomplete data!
4- scientists know that we always need more data... agree & ask for funding to collect more data.
5- policymakers promise to fund research but never do because the media stories are enough to make it appear they are acting.

3/
6- The very few businesses who think they are profiting from polluting repeat the same misguided tactics year on year:
-Show me the data
-You have 'no proof of harm' from toxic air, water, and food.
-Everyone did/does it
-Enforcing #cleanair regulations will cause jobs loss

Read 5 tweets

Jeff Smith on Air Pollution

@jksmith34

11 Jul

@jesse_kroll

@jesse_kroll @linseymarr @dylanhmorris @DrNeeltje As with anything, more knowledge is better. When we study #airborne contagions or #AirPollution many disciplines are required. Clinical, forensic, environmental, social, & occupational epidemiology all must be informed by all science. 1/

@jesse_kroll

@jesse_kroll @linseymarr @dylanhmorris @DrNeeltje The preference of 1 observational association vs a 2nd (but 'newer') observational association (both being classified 'low level' evidence until dozens of associations are collected) when confronted with a novel #CoronaVirus or any other contagion is not
#ScienceBased. 2/

@jesse_kroll

@jesse_kroll @linseymarr @dylanhmorris @DrNeeltje We must be prepared to quickly apply or adjust existing (i.e., #influenza) public health non-pharmaceutical recommendations to those of a new threat when we know the risk of harm from these interventions is low. 3/

Read 8 tweets

Jeff Smith on Air Pollution

@jksmith34

30 Mar

@VRiffault

@VRiffault @jljcolorado @WHO @DrMariaNeira Devil's advocate now... Unknown risk associated with lack of evidence when the volume of observations is high should provoke the precautionary principle if no harm is clear.
We dont know if an infectious dose is possible via micro droplets. But, they could be. What's the harm? 2/

@VRiffault

@VRiffault @jljcolorado @WHO @DrMariaNeira There's a shortage of masks for medical workers. Full stop. That's the key message. We can & should make our own masks or use the reusuable pollution respirators with silocone seals that medical workers are not using. WHO recommends masks for asymptomatic influenza outbreaks.

@VRiffault

@VRiffault @jljcolorado @WHO @DrMariaNeira 'non-pharmaceutical public health measures for mitigating the risk and impact of epidemic and pandemic influenza'.
Search "Asymptomatic". You will land on the relevant guidelines table.
#PrecautionaryPrinciple
apps.who.int/iris/bitstream…

Read 6 tweets

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