The levels of pro-inflammatory cytokines were increased, which indicates that SARS-CoV also results in the inflammation [42]. It was also noted that SARS-CoV patients with predisposed hepatitis were more vulnerable to severe SARS-CoV infection due to the reason that the hepatitis virus exhibits exaggerated replication during SARS-CoV infection [45]. Sometimes, the drugs used to treat viral infections may also lead to liver injury, which is termed as drug-induced liver injury [37].