Guidance

Bacillus species: clinical information

Guidance for health professionals on the incubation period, clinical features, sources and transmission of bacillus spp.

• From: UK Health Security Agency
• Published: 24 September 2008
• Last updated: 22 January 2026
  Show all updates

  1. 22 January 2026

     Updated to UKHSA and updated the incubation time for emetic syndrome.

  2. 24 September 2008

     First published.

Documents

Bacillus spp. clinical information

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Details

The spores of Bacillus bacteria commonly contaminate raw foods and food materials, particularly foods:

• in contact with the soil
• of vegetable origin