Analysis of epidemiological characteristics of class B infectious diseases in Nanning City from 2013 to 2022

Abstract

Background:
Class B infectious diseases constitute a major public health burden in China. Understanding their epidemiological patterns over time is critical for effective prevention and control measures.
Objective:
To analyze the epidemiological characteristics and trends of class B infectious diseases reported in Nanning City from 2013 to 2022.
Methods:
Data on reported cases of class B infectious diseases were collected from the National Notifiable Disease Reporting System for the period 2013–2022. Incidence rates, mortality rates, seasonal patterns, age and gender distributions, and disease-specific trends were analyzed using descriptive epidemiological methods and time-series analysis.
Results:
A total of [XXX,XXX] cases of class B infectious diseases were reported during the 10-year period, with an average annual incidence of [X.X] per 100,000 population. The top five reported diseases were [disease 1], [disease 2], [disease 3], [disease 4], and [disease 5], accounting for [X%] of all cases. The incidence of [disease name] showed a [rising/declining/stable] trend, while [another disease] peaked in [year]. Most cases occurred in [season(s)], and males/females accounted for [X%] of cases. The age group [X–X] years had the highest incidence.
Conclusion:
Class B infectious diseases remain an important public health issue in Nanning City, with varying trends among different diseases. Targeted interventions, continuous surveillance, and health education are essential to control the spread and reduce the burden of these diseases.
Keywords:
class B infectious diseases, epidemiology, trends, Nanning City, surveillance