Tab-delimited flat files of concept prevalence, concept co-occurrence, symptom prevalence, concept definitions, and concepts included in each symptom for "COHD-COVID: Columbia Open Health Data for COV
Symptoms: Cough, Fever, Sore Throat, Shortness of Breath & Headache. Other Features: Gender, Age 60 and above, Test indication & Test date. Target Feature: Corona Result. Data background: As part of
