4 ms·
The problem is people are not lab mice, you can't purposefully expose a test group to a virus to get clean data. So you either have to work with noisy data (as
by ComodoHacker 5y ago
The problem is people are not lab mice, you can't purposefully expose a test group to a virus to get clean data. So you either have to work with noisy data (as the previous studies you criticize) or turn to modelling (as this study does). This doesn't negate their value in either case.
No need to be so picky.
- _Nat_ 5y agoIn the absence of good data, the fallback is a position of ignorance -- not acceptance of bad data. The prior studies were neither well-done nor directly relevant. As such, they didn't constitute good evidence on the topic of mask-wearing for the recent pandemic. The proper understanding would then be that the effectiveness of masks was little informed by such studies.