Congenital varicella syndrome is caused by Varicella zoster virus (VZV), a human alpha herpes virus.
Could you explain the definition of congenital varicella syndrome, please?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Could you explain the definition of congenital varicella syndrome, please? [/INST] \n Congenital varicella syndrome is caused by Varicella zoster virus (VZV), a human alpha herpes virus.</s>