NEXT time a trip to your local eatery leaves you with a bout of food
poisoning, don’t simply blame slack hygiene in the kitchen. The culprit could be
a fellow diner.

Public health scientists investigating an outbreak of viral food poisoning at
a hotel in the English Midlands found that one person who vomited at the dinner
table spread infection right across the restaurant. The scientists now believe
that many unexplained cases of food poisoning may have their source in vomit,
which appears to be astonishingly effective at spreading viruses.

The investigators, from Southern Derbyshire Health Authority, were called in…