molecules Article Emodin Inhibition of Influenza A Virus Replication and Influenza Viral Pneumonia via the Nrf2, TLR4, p38/JNK and NF-kappaB Pathways Jian-Ping Dai 1,* ID , Qian-Wen Wang 1, Yun Su 1, Li-Ming Gu 1, Ying Zhao 1, Xiao-Xua Chen 1, Cheng Chen 1, Wei-Zhong Li 2, ...