A Washington State church choir decided to hold practice but avoid physical contact. 45 out of the 60 singers contracted the virus. Jamie Lloyd-Smith, a UCLA infectious disease researcher, said it's possible that the forceful breathing action of singing dispersed viral particles in the church room that were widely inhaled. "One could imagine that really trying to project your voice would also project more droplets and aerosols," he said. With three-quarters of the choir members testing positive for the virus or showing symptoms of infection, the outbreak would be considered a "super-spreading event," he said. Linsey Marr, an environmental engineer at Virginia Tech and an expert on airborne transmission of viruses, said some people happen to be especially good at exhaling fine material, producing 1,000 times more than others. Click Here For Complete Overview Text
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