In addition to making sure those children affected by the war within the Imperial Powers were properly taken care of should they lose their parents, or that the widows and their children were also given aid to support them without their husbands around to look after them.
Heidi's charities also expended significant amounts of resources and personnel looking after those physically wounded in battle. German soldiers naturally received priority, but if there were enough room in the field clinics and hospitals, then Austro-Hungarian and Russian soldiers were also treated.
The invention and mass production of life-saving antibiotics such as penicillin had done wonders to fight infections, severely decreasing the number of amputations that would have been medically necessary to stop the spread of otherwise lethal diseases.