De or het miltvuurbesmetting?

The correct Dutch article is:

de miltvuurbesmetting

Rule Words ending in -ing: almost always de. See the rule

How to use miltvuurbesmetting

the miltvuurbesmettingde miltvuurbesmetting
this miltvuurbesmettingdeze miltvuurbesmetting
that miltvuurbesmettingdie miltvuurbesmetting
our miltvuurbesmettingonze miltvuurbesmetting
your miltvuurbesmettingjouw miltvuurbesmetting
every miltvuurbesmettingelke miltvuurbesmetting
which miltvuurbesmetting?welke miltvuurbesmetting?
a big miltvuurbesmetting / the big miltvuurbesmettingeen grote miltvuurbesmetting, de grote miltvuurbesmetting