There's no word yet on Bliss' status but below is WWE's full announcement:
Alexa Bliss suffers shoulder injury at WWE Backlash
NEWARK, N.J. — Alexa Bliss suffered an injury to her left shoulder during her Raw Championship Match against Nia Jax at WWE Backlash. Bliss is currently awaiting further medical evaluation.
Stay with WWE.com for any updates on Bliss' condition.
We will keep you updates on Bliss and her status for RAW.