Read the rest of them.
No, that one analysis is enough. It analyzed all known studies on masks and the SARS virus, and found 8 out of 9 show masks are effective.
That’s great info, and I will make sure to reference it when mask debates come up in future.
Thank you again for sharing it!
Oh, and also don’t feel embarrassed for not understanding the studies you posted.
Based on how you post, I assume English is not your native language. Medical studies like these can be hard to read for someone without a firm grasp on English. It’s perfectly reasonable that you had trouble with them.