Sauerkraut, the dish adored in Germany but much maligned in Britain, could prove to be a secret weapon against the threat of bird flu, experts revealed yesterday. Scientists believe that the traditional recipe, which is made from chopped cabbage that is fermented for at least a month, contains a bacteria that may combat the potentially fatal disease. Their findings follow a study in which kimchi - a spicy cabbage dish popular in South Korea and similar to sauerkraut - was fed to 13 chickens infected with bird flu. Just one week later, 11 of the birds showed signs of recovery...