“…In a study carried out in Mumbai, 28% of nurses were found to be seronegative for antibodies against the varicella zoster virus [ 29 ], and in another study, varicella susceptibility among medical, dental and nursing students was found to be 25.8% [ 19 ]. Similarly, a study in a tertiary care hospital in Pune, India, reported that 25.6% of the 78 nursing and medical students were susceptible to varicella infection [ 30 ]. A retrospective study conducted in a hospital in Vellore, India, revealed an annual varicella incidence rate of 0.72%, increasing to a rate of 3.22% among student nurses; serological samples taken prior to admission revealed only 29.7% of student nurses produced antibodies against the varicella zoster virus [ 31 ].…”