Eugene is still kicking in the comic. The plot hasn't reached a point where his fate is sealed with death.
Sorry to say, Sophia isn't alive. The plot and circumstances in the comic didn't allow for her to continue. It's a harsh but integral part of the comic's narrative.
Yes, as of the latest I know, Morgan is still alive in the comic.
No, Jesus is not alive in The Walking Dead comic. His character met his demise during the story's progression.
No, Jesus is not alive in The walking Dead comic book. His fate was sealed during the storyline.
No, Rick Grimes isn't alive in the comic. His story had a definite end.
Yes, Negan is still alive in the comic books as of the latest issues.
Yes, Carl is still alive in the comic books as of the latest issue I know.
Eugene remains alive in The Walking Dead comic. His character plays an important role and continues to contribute to the plot without meeting a fatal end.
No, Jesus isn't alive in the Walking Dead comic. The story's plot doesn't feature him as a living character.
Sophia doesn't survive in The walking Dead comics. The storylines and character fates can differ from the TV show.