[BRL]

As I understand it is probably more because they are not reporting any breakthrough cases that are not serious

[frogjerk]

Exactly, why test anyone who answers “I got vaccinated” if they enter the hospital? If you did test everyone I would imagine the number is more like 50%-60%

[T.B. Yoits]

As I understand it is probably more because they are not reporting any breakthrough cases that are not serious.

That's true in more and more situations. These institutions are not reporting "breakthrough" infections with low symptoms.