Which of the following is correct regarding human varicella zoster immunoglobulin (VZIG)?
• is used to treat severe chicken pox infection • is recommended for all patients with eczema exposed to chicken pox • is invariably protective against severe varicella • should be given to a 6 week old baby whose mother has developed chickenpox • should be given to an 18 week pregnant non-immune female who has been exposed to a case of chicken pox.