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We’ve known since 1918 that masks help...for flu. Not all viruses are the same. Read the thread.
Unofficial archive, not affiliated with Abdul El-Sayed or X Corp. Rebuilt from a Wayback Machine capture; counts are as of that capture.
We’ve known since 1918 that masks help...for flu. Not all viruses are the same. Read the thread.
Unofficial archive, not affiliated with Abdul El-Sayed or X Corp. Rebuilt from a Wayback Machine capture; counts are as of that capture.