The villagers do not have adequate medical treatments available. They do not go to the doctor becuase they cannot pay him, and he will not treat them.
"Juana wants the doctor." A wonderful thing, a memorable thing, to want the doctor. To get him would be a remarkable thing. The doctor never came to the cluster of brush houses. Why should he, when he had more than he could do to take care of the rich people who lived in the stone and plaster houses of the town.
"He would not come," the people in the yard said.
"He would not come," the people in the door said, and the thought got
into Kino.
"The doctor would not come," Kino said to Juana."