Airborne Transmission of Chickenpox in a Hospital

The occurrence of chickenpox in pediatric hospitals disrupts routine care of immunologically normal patients and is potentially life-threatening to immunosuppressed patients.1 , 2 Guidelines for prevention of nosocomial chickenpox that are published by the Center for Disease Control recommend that patients with chickenpox be placed in isolation rooms and that personnel entering the room wear gown, gloves, and mask.3 These recommendations are based on observations suggesting that chickenpox is transmitted via the air.4 5 6 7 8 9 However, airborne spread has never been unequivocally demonstrated, and the reports of varicella spread by this route have not adequately excluded alternative modes of transmission.4 5 6 7 8 9 Moreover, the low secondary . . .