Increase in shigellosis among travellers to Cape Verde

An increase in shigellosis has been reported among Dutch travellers who have recently returned from Cape Verde. These are mainly holidaymakers who stayed on the islands of Sal and Boa Vista, especially in resorts. At the moment, it is not known exactly how the infections have occurred.

What is shigellosis?

Shigellosis is a serious intestinal infection caused by the shigella bacteria. Symptoms that may occur are:

  • (bloody) diarrhoea
  • abdominal cramps
  • fever
  • sometimes vomit

The bacteria can be excreted through faeces and are mainly transmitted through inadequately washed hands, food or contaminated surfaces.

Who is at extra risk?

Shigellosis can cause severe symptoms in anyone, but the risk of dehydration and complications is higher in:

  • young children
  • elderly
  • people with chronic conditions, such as diabetes, cardiovascular or intestinal diseases
  • people with reduced immunity, for example due to medication or medical treatments

For these groups, it is important to seek prompt medical attention when complaints arise.

Advice for travellers

Vaccination Point advises travellers to Cape Verde to strictly apply hygiene measures:

  • Wash your hands regularly, especially before eating and after using the toilet.
  • Drink only bottled or boiled water, including when brushing your teeth, and avoid ice cubes.
  • Eat only well-done or cooked-through food. Peel fruit yourself and avoid raw produce and unwashed salads.
  • Do not swallow water while swimming in the sea, pools or lakes.
  • Flush the toilet with the lid closed.

There are no vaccinations Against shigellosis.

When to contact a doctor?

If you get symptoms such as bloody diarrhoea, abdominal cramps and/or fever during the trip, contact a doctor immediately. If you become ill only after returning home, contact your GP and mention that you were in Cape Verde.

Previous outbreak

A similar increase in shigellosis was seen earlier in 2022, when several cases were reported in the Netherlands and other European countries, mainly in travellers staying in resorts on Sal Island. In 2023 and 2024, there were only a few reports. Since autumn 2025, the number of reports has increased again, according to information from the RIVM and the LCR.

Source: LCR, RIVM
5 Dec 2025

nl_NL