If you mean Daniel's Story by Carol Matas, yes. Erika died.
Yes, Erika dies while escaping from the concentration camp with Daniel. She sacrifices herself to save Daniel and the others from being caught by the Nazi soldiers.
Erika did die and I am pretty sure she died from namonia :(
a chicken
Erika Liebman died in 1803.
Erika Nõva died in 1987.
Erika Fuchs died in 2005.
Erika Davidson died in 2007.
Erika Nissen died in 1903.
Erika Cremer died in 1996.
Erika Morini died in 1995.
Erika Burkart died in 2010.
Erika Helmke died in November 2002.
Erika Wiedmer has written: 'Die Schafhirtin'