GenBank is a comprehensive public database of nucleotide sequences and supporting bibliographic and biological annotation. Managed by the National Center for Biotechnology Information (NCBI), it is part of the International Nucleotide Sequence Database Collaboration (INSDC) which also includes the DNA DataBank of Japan (DDBJ) and the European Nucleotide Archive (ENA). GenBank plays a pivotal role in the storage and dissemination of genetic information that is crucial for various fields, including epidemiology.