Here is the full list of all 20 Disease -Hidden Object- achievements.
found a doll in the reception
found a doll in the clinic
found a doll in the sick room
found a doll in the hallway
found a doll in the mortuary
found a doll in the courtyard
found a doll in the operating room
found a debris in the reception
found a debris in the clinic
found a debris in the sick room
found a debris in the hallway
found a debris in the mortuary
found a debris in the courtyard
found a debris in the operating room
Talk to him with mercy
Talk to him with pity
Escape from the hospital
Give him mercy
Save him
Know him