Why are you misrepresenting our position, again, despite multiple clarifications?

Chris’s statement from 2013 noted that high CO₂ can indicate pollutant build-up in poorly ventilated spaces—not that CO₂ is reliably correlated with all contaminants. Our 2025 piece clarifies that CO₂ is not a general indicator of IAQ, particularly where source-specific contaminants dominate.
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Maarten, this framing is disingenuous. You're citing the same studies we already discussed on Twitter, ignoring that we directly addressed your comments there.

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The standard considers infection probabilities of around 0.1%, which means that an infection is expected on 1 of 1,000 occasions when a person receives the same
dose.