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Global public health has dramatically increased due to the successful and effective implementation of immunization programs that utilize major infectious disease vaccines. Among the most famous vaccines are Jenner's smallpox vaccine, Pasteur's rabies and anthrax vaccines, and the Bacillus Calmette-Guérin (or Bacille Calmette-Guérin, BCG) vaccine for tuberculosis. The positive effect of vaccination on public health is highlighted by the success of the global smallpox eradication campaign, and the scope of vaccine development for the prevention and treatment of various diseases in both humans and animals continues to grow on a daily basis.
Vaccine informatics is an emerging field that develops and applies computational, statistical, and bioinformatics methods to study vaccine and vaccination-related issues in different stages of research, development, clinical trial, postlicensure clinical uses, and surveillance. The field began centuries ago with widespread vaccination monitoring to determine vaccine safety and clinical applicability. Yet it was not until the growth of the immunoinformatics field in the 1980s that vaccine informatics emerged as an important area of study, when many methods were developed and implemented to predict T-cell and B-cell immune epitopes. These T-cell and B-cell immune epitopes were identified as potential vaccine targets and were recognized as crucial to understanding basic protective immunity. In the 1990s, bioinformatics became an emerging science after more and more DNA, RNA, and protein sequences were identified and studied. In the postgenomics and information era, the application of bioinformatics tools within the vaccinology field has fostered dramatic progression for both literature and data on vaccine informatics, creating the potential to revolutionize every aspect of the pre- and postlicensure vaccine enterprise.
Due to the differing data types available, separate bioinformatics technologies have been developed and applied to address specific vaccine-related issues.
In addition, mathematical modeling approaches are able to combine both synthetic and real vaccine data to engage specific issues. It is also important to integrate various vaccine-associated data types for more advanced vaccine research and development. To support better vaccine data integration and analysis, manually curated vaccine data have been stored in various vaccine databases (e.g., VIOLIN: http://www.violinet.org/) or represented using a community-based vaccine ontology (VO).
This special issue aspires to become an international forum for researchers to provide testimony regarding new and exciting developments in the field. The first special issue on vaccine informatics includes 20 articles that cover a variety of vaccine research areas. This special issue contains 7 research papers, 5 methodology papers, and 7 review papers. The topics in this issue include vaccine informatics reviews, immunoinformatics analysis of immune epitopes, vaccine design based on immunoinformatics and reverse vaccinology, transcriptomics and proteomics analyses, postlicensure vaccine informatics, vaccine literature mining, and immune database management with potential for vaccine research and development. In addition to the many uses of informatics highlighted by the included articles, we should note that systems biology approaches to vaccines are rapidly emerging. These approaches rely entirely on informatics to analyze large datasets deriving from complex and multidimensional systems.
The field of vaccine informatics has attracted some of the most innovative scientists from the vaccinology, microbiology, immunology, epidemiology, and bioinformatics branches.
As Editors, we are truly privileged to have had many of these individuals contribute to this special issue. It is our hope that the following literature inspires the scientific community to devote their time and efforts into this exciting area. It is through the hard work and dedication of scientists that we are able to develop and utilize cutting edge vaccine informatics methods to advance vaccine R&D and improve immunization programs. We would like to express our sincere gratitude to the contributing authors as well as to the Journal of Biomedicine and Biotechnology.