Thanks for those links MamaDearest.
I’ll add this link about Dengue Fever to your post no. 1470:
http://www.cdc.gov/ncidod/diseases/submenus/sub_dengue.htm
Regarding the pineapple link, I'll be watching canned pineapple that I buy for where it is packed.
I love upside down cake, and pineapple is one of my favorite toppings for it.