Infections and prevention

Gastrointestinal infections are infections that affect the digestive system, primarily caused by various bacteria, viruses, and parasites. These infections can result in symptoms like diarrhoea, vomiting, abdominal pain, and fever.

Find information about blood-borne viruses (BBVs) and sexually transmitted infections (STIs), including how to reduce your risk, prevent infection, access testing and treatment, and find support and professional resources.

Find information about healthcare associated infections (HCAIs), how they are prevented and controlled, and surveillance in Northern Ireland.

Measles is a highly Infectious viral illness that can sometimes cause serious complications. Find out about the symptoms, how to protect yourself and others, and the latest measles information in Northern Ireland.

Meningococcal disease is caused by the type of bacteria called Neisseria meningitidis (also known as meningococcus). This bacteria can live in the nose and throat of healthy people without causing illness. Meningococcal infection doesn’t spread very easily. 

Group B Streptococcus (GBS) resides in a gut or genital tract and is especially dangerous in newborn babies when passed from a mother to baby during childbirth, causing serious infections like sepsis or meningitis.

Find trusted information about hepatitis, including how it spreads and how to reduce your risk, vaccination, testing and treatment, and professional guidance and surveillance information.

Shiga toxin-producing E.coli (STEC) are a group of bacteria which cause illness in humans. Symptoms can include diarrhoea, abdominal pain and fever.

Good hand hygiene is one of the simplest and most effective ways to stop infections spreading. Find practical advice here on washing your hands, covering coughs and sneezes, and the everyday steps that help protect you and those around you.