004 - Your COVID-19 Questions Answered

Is hand sanitizer effective? Will this spread throughout the US? Should I cancel my upcoming travel plans? Can COVID-19 tests tell the difference between someone who has had the virus and someone who currently has it? Are face masks effective?

Jennifer Nuzzo of the Johns Hopkins Center for Health Security answers these and some of the most asked questions submitted to publichealthquestion@jhu.edu

More information: jhsph.edu/covid-19