Vaccination coverage survey of children aged 1-3 years in Beijing, China, 2005-2021.

Background: The routine immunization program for children is a primary strategy and a core part of vaccination. Achieving and maintaining high level of vaccination coverage are important to reduce morbidity and mortality caused by vaccine-preventable diseases. In Beijing, annual coverage surveys have been conducted since 2005.

[The epidemiological impact of varicella vaccination in kindergartens, primary and secondary schools in Beijing].

Objective: To study the epidemiological impact of varicella vaccine vaccination on kindergartens and school children in Beijing.

Methods: According to "China Information System for Diseases Control and Prevention", the reported clinical diagnosis varicella cases were tracked in kindergartens, primary and secondary schools whose onset date were from 2008 to 2010. Epidemiological survey was conducted and epidemiological features were analyzed.

Safety and immunogenicity of two freeze-dried Vero cell rabies vaccines for human use in post-exposure prophylaxis.

To provide basis for human rabies vaccination in China, the safety and immunogenicity of two freeze-dried Vero cell rabies vaccines for human use were assessed. A total of 250 volunteers were enrolled and divided into two groups: volunteers in Group A (n=200) were vaccinated five doses of Speeda Vero cell rabies vaccine manufactured by Liaoning Chengda Biotechnology Co. Ltd.

[Analysis of adverse events following 2009 influenza A (H1N1) vaccinoprophylaxis in Beijing].

Objective: To evaluate the safety of 2009 influenza A (H1N1) vaccine based on mass immunization initiative in Beijing.

Method: There were 2 113 280 people were vaccinated during September to December 2009. The information of adverse events following immunization (AEFI) was collected through surveillance system, and descriptive methodology was used for data analysis.

[Safety and epidemiological effects of the first China-made mass A (H1N1) influenza vaccination].

Objective: To evaluate the safety and epidemiological effects on the first mass vaccination program, using the China-made A (H1N1) influenza vaccine.

Methods: Descriptive epidemiology and cohort study design were used to assess the influenza A H1N1 vaccine on its safety and epidemiological effects.

Results: 95 244 subjects were immunized with A (H1N1) influenza vaccine.

[Research progress of H5N1 influenza viruses and the threat to human].

Human, birds and other mammals can be infected by avian influenza A (H5N1) virus. Bird infections spread among continents in the last 2 years. Human infections become endemic in certain areas, characterized with young patients and high mortality.