Fire in the hospital

There was a fire in the hospital. After successfully stopping the fire, the chief reports to the hospital director: “The fire was extinguished. In the basement we have found seven victims. We applied mouth to mouth, and one was revived, but unfortunately, we did not succeed with the rest.”
Hearing the news the Hospital Director faints.
When he finally comes to, the fireman is asking why did he faint.
The director say: "There is nothing else in the basement, except the morgue."