There are numerous reports out on the sudden demand and lack of stock on iodine tablets. Most of this is fed from the video's showing the impact the Chernobyl radioactive fallout cloud had on Eupore.
Are you buying Idodine? I'm in San Diego and don't have plans to try and look for any.
Panic Buying: Stocks Of Potassium Iodide Exhausted In U.S.