CYP2E1 and hepatitis A virus infection: In the present study, 6 tSNPs were selected to evaluate the association between these common genetic variants in CYP2E1 and the risk of anti-TB drug-induced hepatitis in our established cohort of “Anti-tuberculosis Drugs induced Adverse Reactions in China National Tuberculosis Prevention and Control Scheme Study (ADACS) [27]” in a Chinese TB population.