Male-dominant hepatitis a outbreak observed among non-hiv-infected persons in the northern part of tokyo, japan

Masayuki Honda, Hiroyuki Asakura, Tatsuo Kanda, Yoshiko Somura, Tomotaka Ishii, Yoichiro Yamana, Tomohiro Kaneko, Taku Mizutani, Hiroshi Takahashi, Mariko Kumagawa, Reina Sasaki, Ryota Masuzaki, Shini Kanezawa, Kazushige Nirei, Hiroaki Yamagami, Naoki Matsumoto, Mami Nagashima, Takashi Chiba, Mitsuhiko Moriyama