Birdwatch Note Rating
2024-09-20 16:19:01 UTC - HELPFUL
Rated by Participant: 0DD3BF77E1200DFC991DB30EA6C5707D8E2EFD99BF283641A2ABF235CB4E66F3
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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