text: Dr Nguyen Tri Dung, director of the HCMC Center for Disease Control (HCDC), said analysis of clinical factors and test results suggested that the person may be newly infected, with a currently unknown source of transmission?
classes:  No, the current director of the HCMC Center for Disease Control is Dr. Nguyen Tri Dung.  Also, the current director of the HCMC Center for Disease Control is Dr. Nguyen Tri Dung.  Yes, the current director of the HCMC Center for Disease Control is Dr. Nguyen Tri Dung.