1 Department of Family and Preventive Medicine University of Utah School of Medicine Salt Lake City, UT 84132
We identified an every other year cyclic epidemic of infants hospitalized with respiratory syncytial virus (RSV) with peaking in even-year winters. Our observation agrees with every other year cyclic RSV epidemics reported by others who observed peaking in the winters of even-numbered years.1-3
We estimated rates of hospitalization for children less than age 1 for eight counties in the state of Utah, all counties being served by a single hospital system, Intermountain Health Care (IHC).