Figure 1

Monthly distribution of varicella-associated paediatric hospitalizations at Princess Margaret Hospital and monthly notification of varicella for all ages at Centre for Health Protection (CHP) in Hong Kong from 2004 to 2008.
Monthly distribution of varicella-associated paediatric hospitalizations at Princess Margaret Hospital and monthly notification of varicella for all ages at Centre for Health Protection (CHP) in Hong Kong from 2004 to 2008.