Doctor from St. Luis Kenneth Remy has announced a video on Twitter, with a message, "this is how it looks like when you breath 40 times in minute, when your oxygen level is under 80," he warns about importance of wearing face mask and keep the distance.

For local media this doctor has said that he only wanted to awake consciousness in citizens, especial those who think that by forcing them to wear face mask, they see it like taking away their freedom.

In Twitter video he is showing how will or would look alike if you come on the hospital table.