Ooh. Great idea, how the hospitals are empty but the people are the ones that are full. So that second-to-last line in your first stanza is definitely my favorite.

Now that I'm biased towards that part, I feel like you should focus more on that concept rather than the fact that you are watching. Like, describe what you see instead of how you are seeing it? That would probably make your poem stronger.

Still nice, though. The staccato sentences in the beginning really pound the emptiness home.