In most cases, fatality occurs in patients who are older or who have underlying health conditions (eg, diabetes, cardiovascular disease, chronic pulmonary disease, cancer, hypertension) .
From the research titled:
Clinical course and risk factors for mortality of adult inpatients with
COVID-19 in Wuhan, China: a retrospective cohort study
As per @ Luay A. AL-Helaly Age, older people are more susceptible to Covd19, adding to thecpresence of previous chronic diseases ( heart disease, COPD, diabetes, immunocompromised people). Exposure or being in contact with confirmed cases.
Potential risk factors for COVID-19 include age, race/ethnicity, gender, some medical conditions, use of certain medications, poverty and crowding, certain occupations and pregnancy.