疫
=
殳
+
疒
:
Maud Younger (y) was supposed to fight an epidemic (疫) in the space station's bathroom (Ø4), but all she got was a halberd (殳). Very soon she got a colorful rash (疒) herself, but she still stands guard in the bathroom and forces everyone to wash their hands regularly.
illness / CL:場|场[chang2] / disease / to fall ill / defect
病
=
丙
+
疒
:
In engine's bathroom Brunhilde is proudly inspecting her bronze medal. She got it in a contest about having the craziest sickness by painting a colorful rash on her face.