-ung die
Impfung
Always 99% of the 1,295 common nouns ending in -ung take die.
Every noun ending in -ung is feminine.
Exceptions der Sprung, der Schwung
die Impfung
It's die Impfung. Impfung is feminine, plural die Impfungen.
Ich brauche eine Impfung.
I need a vaccination.
Impfung
Always 99% of the 1,295 common nouns ending in -ung take die.
Every noun ending in -ung is feminine.
Exceptions der Sprung, der Schwung