Our top story this week isn’t brain but immunology: Delivering a flu vaccine deep into the lung — instead of into your arm or your, ahem, elsewhere — might not only improve how it works but do so at a much lower dosage of the virus. After all, you have flu mainly in your lungs. One researcher estimates we could cover hundreds of people with the amount of virus we currently use in one arm-shot. That would be good in the case of, say, an anthrax cloudburst.
Of course, they have only tested this idea on sheep, who can be made to sit still for a shot delivered down the throat. I’m thinking we humans will need a little bit more coaxing.
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