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It is even the case that when the air flow is limited by the fold of the arm, the air still escaping from the side can gain additional velocity, so that the saliva droplets receive an additional push. Then it is better to pull up the neckline of the shirt or shirt and sneeze, or cough, down to the stomach. The movies show a clear difference, when the researcher sneezes into the shirt, no drops come out of the room.
Video by Jacob Löndahl Lund University also researches how viruses and particles spread in the air and has seen the movies, and they think it is a creative solution that can work well:
– The fold of the arm is not a particularly complete barrier, so if you have a suitable shirt, it is probably best to do what the researcher did, he says.
Not even a state epidemiologist Anders Tegnell is a stranger that sneezing into the shirt can be effective, but he does not want to propose a new recommendation, because it is also about keeping it simple and something familiar, because it is urgent when the sneeze comes.
– With all that, you have to do something that is simple and quite established and that with sneezing in the armpit is something that has happened before and for which there was a decent acceptance, says Anders Tegnell.
