In response to the newly confirmed COVID-19 cases, and the cases with asymptomatic infections, Haikou issued a notice on quarantine and closed control areas on April 1st. So, what are the differences between a quarantine area anda closed control area? And what do residents in these two areas need to pay attention to? Now, we’re going to interview Dr. Timothy Stephens from Haikou People's Hospital. Hello, Dr. Tim.