Ian Johnson (CMA) wrote:
> No, but apparently FIFA have today banned spitting in football matches
> to prevent the spread of swine flu.... And the evidence for that is?
It could be related to this:
A study quantifying the hand-to-face contact rate and its potential
application to predicting respiratory tract infection.
Nicas M, Best D.
J Occup Environ Hyg. 2008 Jun;5(6):347-52.
Piersante Sestini
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