Outstanding posts. Thanks--those are much appreciated.
People thinking of taking turmeric (curcumin) for it's excellent antiviral effects should remember that it stimulates bile production, and so could be dangerous for someone with gall stones. Turmeric is also a potent blood thinner. People taking coumadin should check with their doctors before using turmeric.
Cinnamon also has antiviral and antibiotic effects, but should not be used by anyone taking medication for diabetes, because cinnamon definitely lowers blood sugar. Taking cinnamon in 500 mg capsules could interact with the antidiabetic medication.
Honey and fresh garlic mixed can be taken to coat the throat and have a protective antiviral effect. I don't know of any side effects, unless you are diabetic, and then you should not take it.
For anyone interested in reading about the physiological effects of Indian spices, including Tumeric, this is not a bad overview: