She herself outlined Ebola response as part of her job description.
Check it out:

Preparedness: Earlier this week, Sen. John McCain called for an Ebola czar, not knowing one already effectively exists. Why should he, since Nicole Lurie, M.D., M.S.P.H., has been completely M.I.A.

You have to wonder sometimes if anyone in a leadership position in the Obama administration bothers to show up to work these days.

Case in point is Dr. Nicole Lurie, who arguably should be front and center in planning for and responding to the Ebola outbreak.

After all, it’s right there in her job title. She’s the Assistant Secretary for Preparedness and Response, a position created in the wake of Hurricane Katrina that reports directly to the Secretary of Health and Human Services.