Study says singing Happy Birthday gives Covid opportunity to spread
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A study by researchers at Lund University in Sweden reveals that singing songs like 'happy birthday' with P and B sounds could spread a ton of aerosol particles in the air, giving Covid an opportunity to spread. In order to understand the way aerosol particles move, researchers asked 12 healthy singers as well as two people who were suffering from the novel coronavirus to sing a Swedish song called Bibbis pippi Petter.