This is a recent question that I’ve received from several readers. My first thought is that the flu is not a “serious health condition” as defined by the FMLA. But let’s take a closer look.
The FMLA defines a serious health condition as -
1. Hospital Care

Inpatient care (i.e., an overnight stay) in a [...]

A. “Serious Health Condition” means an illness, injury impairment, or physical or mental condition that involves one of the following:
1. Hospital Care
Inpatient care (i.e., an overnight stay) in a hospital, hospice, or residential medical care facility including any period of incapacity or subsequent treatment m connection with or consequent to such inpatient Care.