Birdwatch Note Rating
2024-09-20 19:16:01 UTC - HELPFUL
Rated by Participant: FADB9A4CED051458264EC69529D79A1C5E9CA569E2E699DFD92F6D7BE9067395
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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