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📈 CO2 fitting algorithm now available in ARIA ! 📉 partnersplatform.who.int/aria Can’t quite figure out the ventilation rate in your space? But you happen to have a CO2 sensor? No worries, we have you covered… 🧵

🚨Today my 3 children (6, 9, 10) were expelled ("unenrolled") from public school for excessive absences.🚨 WHY? Cuz I don't: - send them to school when they're sick - send them to school when illness is above a threshold outlined by their pediatrician. The full story⬇️🧵

I've worked in education for >25 yrs. I know the rules & laws. I also know that the school is violating multiple regulations/laws that make it unsafe when illness levels are high. But schools are allowed to break the rules, then punish kids & families. It's not OK.

1,246 days ago I first asked for the school's ventilation report. CA 17661 requires it to be made publicly available. I have made multiple requests and still have not received it. My own calculations show the classrooms getting 2ACH, far below CDC/CDPH recommendations.

Natalie Bennett Thank you for championing safe, inclusive & sustainable education for our partners & all vulnerable groups Clinically Vulnerable Families 💙💜💗 Inclusive New Normal Long Covid Advocacy 💙 In 🏴󠁧󠁢󠁥󠁮󠁧󠁿 the leading cause of authorised absence is illness (DfE data)* The health and education of all children is suffering *@jneill

Are our kids safe in childcare facilities? Our study uncovers critical gaps in air quality and lighting in a nursery in Seville, revealing risks to children’s health and development. Let's explore the findings! 1/9 👶🌱🌬️💡 #HealthyKids #IndoorAirQuality

Opening windows alone wasn’t enough to maintain safe air quality. 🌬️ Our findings emphasize the need for Controlled Mechanical Ventilation (CMV) to provide fresh air while keeping rooms comfortable. 3/9

Want to learn more? Check out our full findings and recommendations here: mdpi.com/2076-3417/15/3… Together, we can ensure our kids thrive in healthier environments. 🌱💙 8/9

My partner is an anaesthetist. He took a CO2 monitor into work this week; the air quality inside surgical theatres is probably the best on the planet. However, other areas of a hospital can have very poor air quality... 1/

The risk of infection is high when you open up people's bodies. So the air must be as pristine as possible. I listened to a podcast with a hospital designer talking; standard surgical theatres have around 22 air changes per hour. 2/

Theatres with laminar flow can have up to 300 air changes per hour. This is typically used in orthopaedic surgery. The risk of infection is particularly high when you're putting bits of metal deep inside the body. It's expensive to correct & obviously bad for the patient. 3/

Unfortunately this amazing air quality is not replicated around other areas of the hospital. The CO2 monitor went off on Dr Ben's ward round. 4/

Here, many patients are crammed into prefabricated extensions. They are convalescing in air with CO2 over 1000ppm. There's no amazing air changes there. It is very inconsistent and a big risk of hospital acquired infection, to those people trying to recover. 5/

Clinically vulnerable patients deserve so much better than this. The UK's NHS hospitals need major investment to improve the ventilation in ALL areas. And to address its Infection Prevention Control policies. #CleanAirInHealthcare 6/

Please sign this petition, which asks the government to set new rules on air quality and infection control. petition.parliament.uk/petitions/7003…

Informative webinar yesterday from US Environmental Protection Agency “Reducing Airborne Viruses in Schools: Optimizing Ventilation and Energy Efficiency”, with grateful thanks. 🙏 Joseph Allen

Choosing a cost effective & efficient air purifier isnt easy so in partnership with HouseFresh we are happy to share this new resource made to help start conversations & guide decision making. Further resources can be found in our toolkit at SafeAirSchools.org

A simple chart can help compare a range of #AirFilterUnits Calculate cost effectiveness High CADR Low noise Think what's suitable 4 context how many required Use adapter sockets if there is a socket To place more than one Think abt footplate Directn of airflow in winter