Originals

• A Foodborne Outbreak of Norovirus Caused by Bread ......Yuji Tsuchiya, Atsushi Sahara, Tatsuya Jinbo, Tetsuji Nakano, Kazuko Kato, Toshihiro Ogai and Kunihiro Kosugi ...... 153
• Studies on Efficacy of Freezing on the Reduction of Campylobacter jejuni in Chicken Meat ......Hiroshi Asakura, Shiori Yamamoto, Masato Tachibana, Masanori Yoshimura, Shigeki Yamamoto and Shizunobu Igimi ...... 159

Method

• Discrimination between A. oryzae Group and A. sojae Group with Molecular Biotechnology Methods, and Rapid Determination of Aflatoxin Production in Aspergillus Section Flavi......Takashi Ohdan, Tsutomu Sato, Tomoko Suzuki, Satoko Miura, Momoko Kitaya, Tamio Inamoto and Shin-ichi Fuji ...... 167

• Introduction of Members ...... 175
• Selected Paper Abstacts ...... 176
• Proceeding of the Society ....... 180
• Information ...... 182