I guess I misunderstood.
When doctors are on vacation they usually have other doctors that cover for them. Its rare doctors just pick up and leave on vacation without arranging any covering doctor. What did the covering doctor say?
Flu shots have been available for over 2 months. Did he get one?
Cold compresses and sponge baths with rubbing alcohol to take the temp down I think may be wise.
No blood was drawn for a screen at the hospital? No physical exam of the chest? You better get you child to a good pediatrician. Some of these doctors will kill you.