Yamakawa K, Hayashi T, Kamiya S, Yoshimura K, Nakamura S
Department of Bacteriology, School of Medicine, Kanazawa University, Ishikawa.
Jpn J Med Sci Biol. 1990 Feb;43(1):19-21. doi: 10.7883/yoken1952.43.19.
Seventeen soil samples of Paraguay were examined for the presence of Clostridium botulinum. Botulinum type A, C1 and F toxins were detected in soil cultures. Type E toxin was not detected in any of soil cultures including those from river and lake shores.