Immunotherapy or biological therapy is the treatment of disease by activating or suppressing the immune system. Immunotherapies designed to elicit or amplify an immune replication are relegated as activation immunotherapies, while immunotherapies that abbreviate or suppress are relegated as suppression immunotherapies. Immunotherapy is a type of cancer treatment that avails your immune system fight cancer. The immune system avails your body fight infections and other diseases. It is composed of white blood cells and organs and tissues of the lymph system. Immunotherapy is a type of biological therapy. Immunology is a peer-reviewed medical journal covering all aspects of the interrelationship between infectious agents and their hosts, with microbial and viral pathogenesis and the immunological host replication to infections in particular as major topics. Immunology and microbiology encompass the cumulated study and research of structural and functional aspects of microbes, viz. bacteria, virus, fungi etc. and the immune replication elicited by them. It withal includes study and innovation of novel methods of stimulating or modifying the immune system to resist and fight against microbial infections. Microbiological and immunological research involves integrative study of bacteriology, immunology, virology, parasitology, mycology and physiology. To increment the overtness and facilitate of avail of open access scientific and scholarly journals top online publishing journals are indexed in different indexing and archiving accommodations. Indexing provides facile access of the article online. The top online publishing journals publish articles which are cited as references by many authors in their work. The citations are consequential for a journal to get impact factor. Impact factor is a quantification reflecting the average number of citations to recent articles published in the journal. The impact of the journal is influenced by impact factor, the journals with high impact factor are considered more consequential than those with lower ones. Indexing provides facile access of the article online. The international journals are among the best open access journals in the world, set out to publish the most comprehensive, germane and reliable information predicated on the current research and development on a variety of subjects. To increment the overtness and facilitate of avail of open access scientific and scholarly journals top online publishing journals are indexed in different indexing and archiving accommodations. Indexing provides facile access of the article online. The top online publishing journals publish articles which are cited as references by many authors in their work. The citations are paramount for a journal to get impact factor. The inclusion of these publications provides the opportunity for editors and publishers to manipulate the ratio used to calculate the impact factor and endeavor to increment their number expeditiously. Impact factor plays a major role for the particular journal. Immunotherapy is a  peer review journals  is a peer reviewed journals works to publish most reliable and consummate source of information regarding advance revelations and development in the path of Immunotherapy.