EFFECT OF THE CHANGING AGE PATTERNS OF MEASLES CASES ON MEASLES ELIMI-NATION IN BAODING CITY FROM 1999 TO 2007

[Objective] To analyze the changing of age characteristic of measles cases in Baoding City from 1999-2007 in order to provide reference to the strategy adjustments for measles surveillance and immunization to eliminate measles. [Meth-ods] Age characteristics of measles cases from 1999 to 2007 were analyzed with epidemiological analysis. [Results] Measles cases of 1-14 years old accounted for 75.90% in 1999-2002, 45.95% in 2003-2007, which descended gradually. Measles cas-es of under 1 year old accounted for 0.92% in 1999-2002, 22.33% in 2003-2007, which was a increasing tendency. Measles cases of over 15 years old accounted for 14.86% in 1999-2002, 30.72% in 2003-2007, which was a increasing tendency. [Conclusion] Though accelerated measles control, measles mainly takes place in people aged under 1 and over 15 years ole and age distribution of measles cases is remarkably different in different areas in Baoding. We should pay attention to the tran-sient population on measles immunization and surveillance.