Olive leaf powder is the cheapest method and it can be stirred into a little food and quickly swallowed and avoid the caps. I have it on my list of items but you may be able to find it cheaper.
I have not heard more about the wal-mart flue, the guy that told me soon realized he should have kept his mouth shut and he did from there on. His wife also 100% believes the UN did not create the Wal-Mart empire that also owns most all the large stores that you see sprout up with each wal-mart.
Your best source is the news papers, naturally they only report the poor countries, but the more you read about it, the more you know it is around the globe. If you search further you may believe there is no such thing as bird flue.