COVID-19 is a novel coronavirus that harbors a variety of diagnostic, treatment, and management hurdles. This special issue covers a variety of clinical topics including optimal diagnostic methods, near misses, and diagnostic accuracy.   

Challenges to effective clinical reasoning reduce diagnostic accuracy. This special issue provides background for a new approach to clinical reasoning: situativity. The articles explore the four complementary facets of the concept -- situated cognition; distributed cognition; embodied cognition; and ecological psychology – and describes how situativity can enhance diagnosis through a holistic approach to education, assessment, and research.