interesting

http://www.timesonline.co.uk/tol/life_and_style/health/article2678796.ece

Quote:
We also need stockpiles of the antiviral Relenza, in case resistance to Tamiflu develops. But one disadvantage with Relenza is that, unlike Tamiflu, it does not penetrate the brain: in 1918 the virus left progressive, residual brain damage in some cases.
end Quote:

cheers