[AlaskaErik]

Brazilian research scientist Dr. Flavio A. Cadegiani said via Twitter that his study in his home country showed a "dose-response effect," meaning that "the more you used, the more protection you had."

And Twitter promptly suspended his account for disseminating false information.

[dennisw]

“Dr. Flavio A. Cadegiani said via Twitter that his study in his home country showed a “dose-response effect,” meaning that “the more you used, the more protection you had.”
And Twitter promptly suspended his account for disseminating false information.”

A joke right. He is still on Twitter.....
https://twitter.com/FlavioCadegiani