{"thcode":2,"term":{"code":1279,"name":"virology","parent":735,"scope":"Branch of biology dealing with viruses and viral diseases."},"uf":[],"bt":[{"code":735,"name":"microbiology","parent":650,"scope":"Branch of biology dealing with organisms too small to be seen without the use of a microscope."},{"code":650,"name":"life sciences","parent":1019,"scope":"Branches of science that study living and fossil organisms."},{"code":1019,"name":"sciences","parent":1,"scope":"Major educational fields, fields of study, and professional groupings within USGS."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":345,"name":"environmental health (human)","parent":533,"scope":"Effects of the environment on human health."},{"code":1280,"name":"viruses","parent":843,"scope":"Very small particles visible only with an electronic microscope. Considered to be complex molecules and not living organisms, these are often causes of disease in plants, animals, and bacteria."}]}