COVID-19 has been declared a global pandemic. Businesses have shuttered, classes have been canceled, and financial markets have taken significant hits. This is a critical time for information but also for the support and reassurance that science and evidence can offer. What actions do we know are effective in pandemics? Does social distancing truly make a difference in an outbreak? What have we learned about COVID-19 that can inform how we prepare and respond in our daily lives? Experts from the