How did Katherine turn Caroline into a vampire?

Caroline didn’t have a whole lot to do in Season 1, but when Katherine Pierce “killed” her in the season finale with Damon’s vampire blood in her system and turned her into a vampire, her character was totally revamped (pun intended).

Why did Katherine turn into a vampire?

After Rose discovered that Katherine had stolen the moonstone from Klaus, she told Katherine she was going to turn her over to Klaus rather than risk her and Trevor’s lives. She fed Katherine her blood to heal her wounds. Then when Rose left the room, Katherine hanged herself and became a vampire.

What episode does Katherine turn Caroline into a vampire?

“Brave New World” shows Caroline turning into a vampire and having problems to deal with the situation.

Did Katherine know Caroline had vampire blood in her system?

Damon Salvatore feeds Caroline his blood to heal her. Later that night, Caroline is smothered to death with a pillow by Katherine Pierce, who found out that Damon gave her some of his blood. Caroline is shown to be very strong for her age as a new vampire.