Great paper on Airborne Transmission Risk Assessment in a classroom, an office, a ward, an ICU. Findings:
- FFP2 respirators cut the viral dose by a factor of 13.
- An 8h exposure in a poorly ventilated office can equate to the risk of a 15 mn face-to-face.
https://royalsocietypublishing.org/doi/10.1098/rsif.2024.0740