Birdwatch Note Rating
2024-09-20 13:21:35 UTC - HELPFUL
Rated by Participant: 4110AED655862F464CD82F25101C464F41E933BC0BDAB2158E39B4DD8005E755
Participant Details
Original Note:
The BBC article is misleading. Randomised trials for mask types are needed for "high quality evidence", but impossible, because participants know what type of mask they're wearing. A real-world study showed that switching to FFP3 masks reduced Covid infections by up to 100%. https://www.cam.ac.uk/research/news/upgrading-ppe-for-staff-working-on-covid-19-wards-cut-hospital-acquired-infections-dramatically
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