Its subsections include chemistry, hematology, microbiology, immunology, urinalysis and blood bank. They are used in research into genetics, developmental biology, cell biology, oncology and immunology. PhD candidates are admitted to many departments like Public Health, Pharmacology, Biochemistry, Immunology, Microbiology etc. Mass cytometry has research applications in medical fields including immunology, hematology, and oncology. He has worked in a variety of areas including biochemistry, immunology, and cancer genetics. In this period it focused its mission on genetics, immunology, and molecular biology. Rheumatology is considered to be the study and practice of medical immunology. He wrote many articles on bacteriology, immunology, and chemotherapy. NIAID offers three-year fellowships for medical trainees in allergy/immunology and infectious diseases. This discovery revolutionized the fields of cardiopulmonary medicine and immunology. Hood also made generative discoveries in the field of molecular immunology. The field of cancer immunology studies such topics. In 2013 he shared the Novartis Prize for Clinical Immunology. Generally the immunology of most auto-immune diseases is not well understood. It is studied within the field of reproductive immunology.