Zoster is rare in infants. Previous reports include those by Burgoon,1Winkelmann and Perry,2Ormsby and Montgomery,3Dekaban,4Pernet,5Madden,6and Lumpkin.7 A six-month-old boy was seen on Dec 15, 1962, who had had eruptions and fever for four days. Pinhead-size papules and clear vesicles arranged in groups of 8 to 12 on erythematous bases were seen unilaterally from the midline over the right suprascapular region, shoulder, and upper arm in the distribution of C4to C6(Fig 1). Fluid from a vesicle showed pleomorphic cells and giant balloon cells consistent with bullous dermatoses of viral origin (Fig 2 and 3). During the next two days fresh eruptions appeared along the distribution of the medial cutaneous nerve on the right side. Applications of calamine lotion (lotio calaminae) were given, and the lesions healed up within one week. This child did not