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While suffering from a rather bad cold/flu/virus thing (it lasted two weeks), Patrick went to a tea shop and found me some amazing tea from China. It wasn't cheap, and it was the last she had (it usually arrives in Spring one time a year); but it spanked my sore throat.
Doing a little more research, I've found that Chinese Tea is about as complicated as French Wine - including good years and bad years, controlled regions for specific varieties, and very seasonal.