A recent report found more than 90% of patients affected by a chickenpox outbreak in New York City had no documentation of receiving a chickenpox vaccine.
Just 1.4% of cases were among people who received two vaccine doses.
Out of curiosity I looked up varicella vaccination injuries:
Besides a sore arm from the injection, redness or rash where the shot is given, or fever can happen after varicella vaccination. More serious reactions happen very rarely. These can include pneumonia, infection of the brain and/or spinal cord covering, or seizures that are often associated with fever.
Out of curiosity I looked up varicella vaccination injuries: