One Health《全健康》（半年刊）. The mission of One Health is to provide a platform for rapid communication of high quality scientific knowledge on inter- and intra-species pathogen transmission, bringing together leading experts in virology, bacteriology, parasitology, mycology, vectors and vector-borne diseases, tropical health, veterinary sciences, pathology, immunology, food safety, mathematical modelling, epidemiology, public health research and emergency preparedness.

Onderstepoort Journal of Veterinary Research《Onderstepoort兽医研究杂志》（年刊）. The Onderstepoort Journal of Veterinary Research (OJVR) publishes articles that report on original research in veterinary science. While it considers submissions from any geographic region, its focus is on Africa and the infectious or parasitic diseases and disease vectors that affect livestock and wildlife on the continent. Articles that report on research which contributes to the control or eradication of these diseases, for instance by improving or developing vaccines and diagnostic tests, are especially welcome. Provided they have some bearing on animal health, original research papers in specialised fields such as anatomy and ultrastructure, biochemistry, bioinformatics, epidemiology, entomology and acarology, physiology, pharmacology, immunology, molecular biology, toxicology and other relevant disciplines will also be considered.

OncoTargets and Therapy《肿瘤靶向与治疗》（一年1卷）. OncoTargets and Therapy is an international, peer-reviewed journal focusing on the molecular diagnosis of and targeted molecular or precision therapy for all types of cancer. This journal explores the evidence behind new and existing therapies to aid their informed acceptance by clinicians and treatment adherence by patients.

Oncology-NEW YORK《肿瘤学》（月刊）. This journal works to accelerate the translation of experimental results into the clinic, and back again into the laboratory for further investigation. The fundamental purpose of this effort is to advance clinically-relevant knowledge of cancer, and improve the outcome of prevention, diagnosis and treatment of malignant disease. The journal publishes significant clinical studies from cancer programs around the world, along with important translational laboratory findings, mini-reviews (invited and submitted) and in-depth discussions of evolving and controversial topics in the oncology arena.

Oncology Research and Treatment《肿瘤学研究与治疗》（月刊）. Oncology Research and Treatment offers an interdisciplinary forum for cancer research and treatment. Peer-reviewed original and review articles cover a wide range of aspects in medical hematology and oncology, surgical, gynecological, pediatric, and urological oncology, dermatological oncology, diagnostics, radiation oncology, psychological care, pathology, clinical-translational oncology, and oncological rehabilitation. Oncology Research and Treatment is addressed to clinicians and practitioners working and researching in the field of hematology and oncology. The focus of Oncology Research and Treatment is to report clinical and translational research. Basic research is not in the scope of the journal.

OMICS-A Journal of Integrative Biology《组学：综合生物学杂志》（月刊）. OMICS: A Journal of Integrative Biology is the only peer-reviewed journal covering all trans-disciplinary OMICs-related areas, including data standards and sharing; applications for personalized medicine and public health practice; and social, legal, and ethics analysis. The Journal integrates global high-throughput and systems approaches to 21st century science from “cell to society” – seen from a post-genomics perspective.

Oil Shale《油页岩》（季刊）. The Oil Shale is an international scientific-technical open access journal of the Estonian Academy of Sciences published in collaboration with Tallinn University of Technology and the Estonian University of Life Sciences.

Oikos《生态学杂志》（月刊）. Oikos is a journal issued by the Nordic Ecological Society and is one of the leading peer-reviewed journals in ecology. Oikos publishes original research and perspectives that have the potential to change or substantially improve our understanding of ecological mechanisms, processes, or patterns in nature.

Ofioliti《蛇绿岩》（半年刊）. Since 1976, Ofioliti provides an international forum for original contributions and reviews in the field of the geodynamics, petrology, geochemistry, biostratigraphy, stratigraphy, tectonics and paleogeography applied to ophiolitic terrains and modern oceanic lithosphere, including their sedimentary cover. Studies of topics such as geodynamics of the mantle, the evolution of orogens including ophiolites and paleoceanography are also welcome.

OENO One《葡萄酒杂志》（季刊）. OENO One is a peer-reviewed journal that publishes original research, reviews, mini-reviews, short communications, perspectives and spotlights in the areas of viticulture, grapevine physiology, genomics and genetics, oenology, winemaking technology and processes, wine chemistry and quality, analytical chemistry, microbiology, sensory and consumer sciences, safety and health. OENO One belongs to the International Viticulture and Enology Society - IVES, an academic association dedicated to viticulture and enology.