The Question and Answer section for Number the Stars is a great resource to ask questions, find answers, and discuss the novel.
Resistance fighters were men and women who secretly plotted against the Nazis in countries in Europe.
I'm sorry, this quesiton cannot be answered without additional information. Chapter? Incident?
There is no mention of the words drug, medicine, remedy, physic, or cure in the text of Number the Stars.
They heard that there was a meeting of people. They were suspicious about them.