Radical 疒
10 strokes
illness 疒 (510b) + third 丙 (510a) = disease 病
This can also mean a “fault” or “defect”.
看病 (200) kànbìng to see a doctor
[病人 (12) bìngrén patient, sick person]
[病房 (293) bìngfáng (hospital) ward]
[毛病 (453) máobìng problem]

After seeing the same mysterious illness for the third time, he is finally able to diagnose the disease. / “Bingo,” says the dwarf doctor’s assistant sarcastically, “I knew what it was all along.”

Compare this with “shelter”, Character 170.