Answer:

illness

Answer	Crossword Clue
ILLNESS	Cause of absence
ILLNESS	Malady
ILLNESS	Affliction

ILLNESS	Reason to miss work
ILLNESS	The flu, for one
ILLNESS	Health problem
ILLNESS	One cause of absence
ILLNESS	Epidemiologist's concern
ILLNESS	Complaint
ILLNESS	Indisposition
ILLNESS	It's contracted

ILLNESS	Malady.
ILLNESS	Indispostition.
ILLNESS	A cause of absenteeism
ILLNESS	Hypochondriac's preoccupation
ILLNESS	Susan Sontag's "..... as Metaphor"
ILLNESS	It may leave you weak in the knees
ILLNESS	Absence justification
ILLNESS	It might give you a headache

ILLNESS	Reason for missing work
ILLNESS	Contracted thing
ILLNESS	Flu, e.g.
ILLNESS	Reason for a note to the teacher