This value set includes codes from the following code systems:

• The following codes from system: 74964007

  Code	Display	1119454002 (en-US)	900000000000003001 (en-US)
  409496000:{704326004=424681004}	Kontakt zu infiziertem Tier	409496000 | Mode of transmission (observable entity) | : {704326004 | Precondition (attribute) | = 424681004 | Environment contains infected animal (finding) |}
  409699001	Mensch-zu-Mensch-Übertragung		Human to human transmission (qualifier value)
  74964007	Andere		Other (qualifier value)

• The following codes from system: NASK

  Code	Display
  ASKU	asked but unknown
  NASK	not asked