Contagion jokes

If laughter is contagious, Kris's jokes are immunity.

My mom once told me to spread positivity across the world, so I did.

I spread Covid across the globe because I tested positive :D

What's the best thing about Covid-19? It gets into any kid.

How did the other 18 COVIDs go unnoticed?

I think I gave you the coronavirus because I can't stop staring, a-choo!