Do masks work? A virologist's simple experiment.

2 years ago
60

Viral immunologist Dr. Byram Bridle performs a simple triple mask experiment. If you have doubts about how masks work to prevent "contagion", this 2-minute video shows you the truth.

Source: https://diariodevallarta.com/en/las-mascaras-funcionan-este-virologo-hizo-una-prueba-simple/

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