How to survive chicken pox?

There’s an epidemic of chicken pox at the moment at school. According to Virgil, chicken pox is a terrible disease: it turns you into a real monster, and people make fun of you. How can Little Spirou escape this plague? By wearing a diving mask? By never opening his mouth? By hiding at the top of a tree? By getting rid of his contaminated clothes and catching the worst cold he’s ever had because he hung around in his underwear in the rain? Little Spirou may avoid the chicken pox, but can’t get around making a fool of himself…