GCSE Combined Science (AQA)

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Salmonella

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Infection and Response Communicable Diseases

Salmonella

1:26 Diseases Caused by Bacteria, Fungi and Protists
Spec 4.3.1.3
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  • Salmonella is a type of bacterium found in some foods or on food prepared in unhygienic conditions.
  • Salmonella can be ingested through contaminated food.
  • There are two species of salmonella bacteria, but specific identification is not necessary for general knowledge.
  • Poultry, such as chicken, can be infected with salmonella, and unhygienic food preparation can transfer the bacteria to other foods.
  • Undercooked foods like chicken and eggs are common ways salmonella spreads in the UK.
  • Poultry in the UK are vaccinated against salmonella to control its spread.
  • Salmonella bacteria cause food poisoning by secreting toxins.
  • Symptoms of salmonella infection include fever, abdominal cramps, vomiting, and diarrhea.
  • While salmonella infection is generally not life-threatening, it poses significant risks to infants, young children, people with weakened immune systems, and pregnant women.
  • It is important to be aware of the symptoms and their causative agent, the toxins secreted by salmonella bacteria, for health and safety knowledge.

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