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RT @kelcsimpkins: For my lovely (& welcome new) followers! I wore a @3M Aura & @Stoggles on my recent flight. I used an @AranetIoT 4 to measure CO2 levels (a proxy for covid risk). I rarely fly but (still!) always(!) #MaskUp everywhere bc #COVIDIsAirborne #CovidIsNotOver & #LongCovid is very real!

🐦🔗: https://n.respublicae.eu/NChildersMEP/status/1613548051762749440