Looking for a simple step to protect yourself and others in a car, taxi, Uber or Lyft from #COVID19? Opening the window even a little can make a big difference, writes @j_g_allen with Jack Spengler and @CorsIAQ. bit.ly/2KrdNxi
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@HarvardChanSPH @j_g_allen Great to work with @j_g_allen & Jack Spengler on this.