Allergy Severity

Code	Description	Deutsch (German)	Nederlands (Dutch)	Comment	Version
MI	Mild	Leicht	Mild		added v2.2
MO	Moderate	Mittel	Gemiddeld		added v2.2
SV	Severe	Lebensbedrohlich	Ernstig		added v2.2
U	Unknown		Onbekend		added v2.4