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Food safety and infectious diseases

If you think you might be suffering from food poisoning or any other infectious disease, you should contact your GP as soon as possible.

We investigate cases of food poisoning and foodborne illness to:

  • prevent the spread of illness
  • identify the cause
  • reduce the risk of outbreaks

Causes of infectious diseases

Infectious diseases are caused by organisms such as:

  • viruses
  • bacteria
  • parasites
  • fungi

They can spread through:

  • contaminated food
  • air
  • blood
  • body fluids

People most at risk

Anyone can be affected, but some people are at higher risk:

  • babies and young children
  • older people
  • pregnant women
  • people with existing health conditions
  • people with weakened immune systems

Main symptoms of food poisoning

Symptoms of food poisoning often include:

  • diarrhoea
  • stomach cramps
  • vomiting
  • fever
  • nausea
  • headache
  • dizziness

How to protect yourself and others

You can reduce the risk of catching or spreading infection by:

  • keeping vaccinations up to date
  • washing your hands regularly
  • coughing or sneezing into a tissue and putting it in a bin
  • covering cuts and wounds
  • cooking food thoroughly
  • preparing food on clean surfaces
  • staying at home if you are unwell
  • checking health advice before travelling abroad

You can find travel vaccination advice on the Medical Advisory Service for Travellers Abroad (MASTA) website.

Contact

For more information and advice on infectious diseases, please contact:

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