It's Halloween eve on Shelter Island, and the small town is preparing for a killer storm. But the dark clouds gathering over the island are bringing with them a curse one-hundred years in waiting. As the woods give birth to an ungodly and insatiable creature of fire, bones, and earth, three sisters must scramble to stay alive through the long dark night of the Hollow. For it's not something you can kill. It's only something you can try and survive.
Dog is infected and cries around minute 40. It then runs towards the woods where you hear sounds of the dog crying as it's attacked (off-screen) around 42:50. It is shown still alive but attached to tree roots and crying around 1:15.
Man looks through a keyhole and gets stabbed in the eye with a long needle. And it's all downhill after that. Eye gets infected and gross, needle put next to someone else's eye.