Family and its pets get the mumps

The video discusses a unique case where 18 family dogs are quarantined due to a mumps outbreak. Dr. HP Aronson comments on the rarity of parotitis in dogs, which was contracted from humans. The video concludes with a light-hearted remark.

What unusual transmission of disease is mentioned in the text?

What is the emotional tone conveyed by the phrase 'You can kiss me after school'?