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As coronavirus cases increase across the country and we approach the July 4 weekend, what do we know now about how the COVID-19 virus spreads? How can we decide which activities are safer or more risky? Join us Thursday, July 2, to hear from two °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ experts on how infectious diseases and viruses can spread through the air. 

The guests:

• Dr. Dean Blumberg is a professor of pediatrics and chief of pediatric infectious diseases at °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ Health. His interests include preventing and treating childhood infections, vaccine research and childhood immunization policies.
• William Ristenpart is a professor of chemical engineering in the °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ College of Engineering who studies how droplets move and behave in liquids and gases. His lab at °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ has studied how people emit small droplets or aerosols that could carry viruses while breathing or talking. He is also director of the °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ Coffee Center.  

The conversation, hosted by Soterios Johnson, will be streamed live on ,  and beginning at 11 a.m. Thursday, July 2.  

Questions can be submitted via  either in advance or during the show.