What they call the grippe is essentially another name for influenza.
Jennifer Youngs portrays Ingrid for the rest of the series.
Dr. Quinn is a terrible cook. She admits it freely. She depends on Colleen to cook for the family.
Jane Seymore was between marriages when this episode was filmed and aired for the first time.
Sully was married to Abigail. Abigail was Loren's daughter. Sully and Abigail had a baby girl. Her name was Hannah.