TI - Notes from the field: Severe varicella in an immunocompromised child exposed to an unvaccinated sibling with varicella—minnesota, 2011 PT - JOUR DP - 2012 TA - JAMA pages = {968}, VI - 308 IP - 10 AID - [doi] 4100 - http://dx.doi.org/ SO - JAMA September 12, 2012 308(10):968