Some experts credit the warning with keeping the outbreak of bacterial poisoning from becoming much worse.

FORBES: FDA Seeks Root Of Spinach Problem

The event's website also has a message from PHW warning people about the outbreak and urging everyone to check they are immunised.

BBC: Vaccination in Neath Port Talbot

As this result came with the benefit of hindsight, the researchers tried to come up with a real-time measure that could potentially provide an early warning sign of an outbreak as it began to spread.

ECONOMIST: Epidemiology: Infectious personalities | The

Health experts are warning of an unusually severe winter outbreak of the norovirus diarrhoea and vomiting bug.

BBC: Norovirus outbreak warning by health experts

According to Coody, more than 100 warning letters were sent to companies over products, devices and supplements during the H1N1 outbreak.

CNN: Flu season: Worst may be over