TNNI3 and cerebrovascular disorder: A prospective cohort study performed in Wuhan pulmonary hospital introduced the major risk factors involved in SARS‐COV2 mortality, including age 65 years and over, pre‐existing CV or cerebrovascular diseases comorbidity, the low count of CD3+/CD8+ T cells (≤75 cell/μl) and elevation of cardiac troponin I (cTnI) (≥0.05 ng/μl).10