You're focusing on the anti-microbial powers of the saliva, which isn't what most people mean by 'dirty'. Also, it's a myth. https://www.google.com/search?q=is

You're focusing on the anti-microbial powers of the saliva, which isn't what most people mean by 'dirty'. Also, it's a myth. https://www.google.com/search?q=is+dog+saliva+cleaner+than+human+saliva&rlz=1C1VDKB_enUS1150US1150&oq=is+dog+saliva+cleaner+than+human+saliva&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCDg1MzZqMGo3qAIAsAIA&sourceid=chrome&ie=UTF-8 https://www.google.com/search?q=is+dog+saliva+cleaner+than+h...