De or het virusbesmetting?

The correct Dutch article is:

de virusbesmetting

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

How to use virusbesmetting

the virusbesmettingde virusbesmetting
this virusbesmettingdeze virusbesmetting
that virusbesmettingdie virusbesmetting
our virusbesmettingonze virusbesmetting
your virusbesmettingjouw virusbesmetting
every virusbesmettingelke virusbesmetting
which virusbesmetting?welke virusbesmetting?
a big virusbesmetting / the big virusbesmettingeen grote virusbesmetting, de grote virusbesmetting