1.   At least one poisoning case, in Yokohama, has been attributed to raw beef liver.

2.   In the meantime, consumers have been warned against eating uncooked beef liver, stomach and tripe, which are considered delicacies here.

3.   Ohara said meat inspections would be stepped up across Japan following at least one case of food poisoning traced to the consumption of raw beef liver.

4.   Raw beef liver was determined to be the cause of infection in another case.

5.   The ministry said Saturday that raw beef liver served at a restaurant was responsible for at least one infection in Miura, Kanagawa prefecture, south of Tokyo.