claim: speech by asymptomatic individuals may produce enough aerosolized particles to avoid infection
evidence_1: (sacramento)  normal speech by individuals who are asymptomatic but infected with coronavirus may produce enough aerosolized particles to transmit the infection, according to aerosol scientists at the university of california, davis.", "the results confirmed that masks and face coverings are effective in reducing the spread of airborne particles.", "(getty images) normal speech by individuals who are asymptomatic but infected with coronavirus may produce enough aerosolized particles to transmit the infection, according to aerosol scientists at the university of california, davis."
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
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