Uh no, it's not. A sneeze is involuntary and I don't think that it's considered "violence" by any legitimate legal system in the world.
Now if someone were to purposefully walk up to someone else knowing they had to sneeze, and did so directly into their face, they may deserve a punch in the nose, but legally I doubt it would be justified.
There are online articles on how people have been charged with "violence", "domestic terrotiest" for purposely coughing/sneezing at fresh produce in the supermarket as of late.
If you have hiv and knowing have unprotected sex to pass the hiv virus you can be charged for it like that one lady who got lots of sexual partners infected.