Why was the CDC posting job positions for quarantine health advisors for all the major cities on 11/15/19? Weeks before the first reported Chinese Virus case?

Public Health Advisor (Quarantine Program)

Job ID HHS-CDC-D3-20-10640010

Date posted 11/15/2019

Location Dallas, Texas, El Paso, Texas, Houston, Texas, Seattle, Washington, Anchorage, Alaska, Los Angeles, California, San Diego, California, San Francisco, California, Miami, Florida, Atlanta, Georgia, Honolulu, Hawaii, Chicago, Illinois, Boston, Massachusetts, Detroit, Michigan, Minneapolis, Minnesota, Newark, New Jersey, New York, New York, Philadelphia, Pennsylvania, San Juan

Department: Department of Health And Human Services

Agency: Centers for Disease Control and Prevention

Job Announcement Number: HHS-CDC-D3-20-10640010

SALARY RANGE: $51440.0 to $93077.0/Per Year

OPEN PERIOD: 2019-11-15 to 2020-05-15

SERIES & GRADE: GS–9/11

https://jobs.cdc.gov/job/dallas/public-health-advisor-quarantine-program/250/14136286