For instance, AhR activation has been reported during infection with mouse hepatitis virus (MHV), MERS-CoV, HCoV229E, SARS-CoV-1, SARS-CoV-2, canine coronavirus (CCoV), porcine epidemic diarrhea virus (PEDV), and feline coronavirus (FCoV) [15,16,17,18,19,20,21,22]. This evidence concerns the gene AHR and infection.