I'm a total sucker for health-related graffiti. There seems to be an HIV educational campaign in Jaltenango, which makes for some amusing artwork.
-Sarah Kimball, MD
"HIV/AIDS. Bring me, look for me, use me!"
"HIV/AIDS can only be aquired by means of sex and blood. And a mother can transmit the virus to her child during pregnancy, delivery and breast feeding."
And my personal favorite:
"If you want to have sex, you should protect yourself with a condom."-Sarah Kimball, MD