Maladies such as Severe Acute Respiratory Syndrome (SARS), Avian Flu and noroviruses are very much on people???s minds there; it seems like roughly a tenth of the people I saw walking the streets of Tokyo when I was there were wearing surgical masks, either to keep other germs out or their own germs in, and in that kind of climate every cough or sneeze you hear tends to carry a different level of