Assessment of varicella underreporting in Italy.

  title={Assessment of varicella underreporting in Italy.},
  author={Marta Luisa Ciofi degli Atti and Maria Cristina Rota and Donatella Mandolini and Antonino Di Bella and Giovanni Gabutti and Pietro Crovari and Stefania Salmaso},
  journal={Epidemiology and infection},
  volume={128 3},
We conducted a study to assess the degree of varicella underreporting in Italy, and its distribution by age group and geographical area. Underreporting in individuals from 6 months to 20 years of age was computed as the ratio between the varicella seroprevalence in 1996 and the 1996 lifetime cumulative incidence based on statutory notifications. The degree of underreporting at the national level was 7.7 (95% CI 7.4-7.9); underreporting was greater in older age groups and in southern Italy… CONTINUE READING