COVID-19: an infectious disease in the coronavirus family. It is called “new” or “novel” because it is recently discovered.COVID-19 causes mild to severe respiratory symptoms including fever, cough, and shortness of breath.There are clinical trials currently evaluating the effectiveness of possible treatments Asymptomatic: Someone who is not showing the symptoms of COVID-19. It is currently thought that people who are asymptomatic and do not know, but are infected can still spread COVID-19 to others. Isolation: A public health tactic to prevent a disease from spreading. Isolation involves separating people who are sick from those who are not Quarantine: A public health tactic to prevent a disease from spreading. Quarantine involves isolating those who are ASYMPTOMATIC, but possibly exposed to the disease Community Spread: The spread of a disease when the source of infection is unknown. For example, someone who has not traveled recently or knowingly been near someone who is sick, but still becomes ill has obtained the virus from community spread Flattening the curve: A phrase to describe slowing the spread of COVID-19. Hospitals can only treat so many patients at a single time. If we slow the spread of COVID-19, or flatten the curve, hospitals will not exceed their capacity Stay at home order: An order by Philadelphia Mayor Kenney for people to stay in their homes except for essential activities (detailed in the link below) that include obtaining food or health care, working if your job is considered essential (as decided by the Mayor’s Office), or exercising while 6 feet away from others (social distancing). This order started enforcement Monday, March 23 at 8 am