Vuvuzelas ‘may spread diseases’

Vuvuzelas not only cause noise pollution but may also spread diseases a PLoS One journal study shows.

In crowded venues one person blowing a vuvuzela could infect many others with airborne illness like the flu or TB. The study team investigated the vuvuzela hazard using a laser device to measure how many droplets were produced by eight volunteers using the horns. On average, 658,000 lung particles, or aerosols, per litre of air were expelled from the instruments. The droplets shot into the air at the rate of four million per second. In comparison, when the volunteers were asked to shout, they produced only 3,700 particles per litre at a rate of 7,000 per second.

Read the whole article at BBC news

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