Epidemiological characteristics of measles in Lanzhou city,1990-2009
Objective To explore the epidemiological characteristics of measles in Lanzhou city,and to provide scientific basis for adjusting measles surveillance and immunization strategies.Methods Descriptive epidemiological method was used to analyze the epidemiological characteristics in Lanzhou city,1990-2009.Results A total of 3 120 cases of measles were reported in Lanzhou city during 1990-2009.The annual incidence rate was 5.25/100 000.The incidence of measles reached peak in April.The youth aged 7-15 years and adults aged over 20 years were the main victims of measles.The incidence of measles increased significantly in adults in recent years.The majority of the measles cases were students.Conclusion Measles surveillance and control should be strengthened in schools.Measles vaccination programme should be conducted in children as well as in adults,which should be very importable for elimination of measles.
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