In the age of swine flu

Recently public health organizations everywhere have published guidelines for how to avoid contamination in the event of a global flu pandemic.  Such virus doesn't stick around long in the air or on surfaces, so the advice tends to revolve around saliva. In essence, avoid contact with other people, don't sneeze or cough (or if you have to do it, make sure you do it into your sleeve, napkin, etc).  It is hard to watch a newscast nowadays without getting a primer on proper saliva etiquette in the new flu era.  Not everyone gives the advice its proper consideration...