Malaria

Apparently, I could have malaria. Today, I went to donate blood. After going through the series of questions, getting my finger pricked, blood pressure taken, pulse and temp and everything checking out just fine. I was asked if I have been to Mexico. I said "yes." Which part? "Playa del Carmen." "You can not donate, Malaria is all over Playa del Carmen, I just need you to sign here."
I was stunned. "but I was there for FIVE hours...on a cruise. Five hours. On the coast."

It didn't matter.
Needless to say, I was (am) heartbroken. Apparently I am not the only traveler who feels this is ridiculous as I came across an article written by someone who experienced the same thing.

I have just a few questions:
-Why isn't this deal breaker information on the Red Cross website or in the literature you have to read before starting the donation process?
-Why are cruise lines taking you to places that apparently have malaria and not telling you about it? I can tell you this, if Royal Caribbean had told me that by stepping foot on that particular Mexican soil meant not donating blood until May 2007, I would have sat my ass down on the ship and Brian and I could have had the pool to ourselves!

Needless to say, I walked out, not saying a word, trying not to burst into tears.
I can't wait for May 2007.