Notifiable Infectious Diseases & Causative Pathogens (Regulations 2024)

A – D

  • Acute anterior poliomyelitis – Polio virus (Virus)

  • Ano-genital warts – Human papilloma virus (Virus)

  • Anthrax – Bacillus anthracis (Bacteria)

  • Bacillus cereus food-borne infection / intoxication – Bacillus cereus (Bacteria)

  • Bacterial meningitis (not otherwise specified) – Diverse bacteria; pathogen not individually specified (Bacteria)

  • Botulism – Clostridium botulinum (Bacteria)

  • Brucellosis – Brucella spp. (Bacteria)

  • Campylobacter infection – Campylobacter spp. (Bacteria)

  • Carbapenemase-producing Enterobacteriaceae infection / colonisation – Enterobacteriaceae carrying carbapenemase genes (Bacteria, AMR)

  • Chancroid – Haemophilus ducreyi (Bacteria)

  • Chickenpox – hospitalised cases – Varicella-zoster virus (Virus)

  • Chikungunya disease – Chikungunya virus (Virus)

  • Chlamydia trachomatis infection (genital) – Chlamydia trachomatis (Bacteria‐like intracellular)

  • Cholera – Vibrio cholerae (Bacteria)

  • Clostridium difficile infection (CDI) – C. difficile (Bacteria)

  • Clostridium perfringens (type A) food-borne disease – C. perfringens type A (Bacteria)

  • COVID-19 – SARS-CoV-2 (Virus)

  • Creutzfeldt–Jakob disease (CJD) – Prion (Proteinaceous infectious particle)

  • Variant CJD (vCJD) – Prion, bovine spongiform encephalopathy strain (Prion)

  • Cryptosporidiosis – Cryptosporidium parvum / hominis (Protozoa)

  • Cytomegalovirus infection (congenital) – Cytomegalovirus (Virus)

  • Dengue fever – Dengue virus (Virus)

  • Diphtheria – Corynebacterium diphtheriae or C. ulcerans (toxin-producing) (Bacteria)

E – H

  • Echinococcosis – Echinococcus spp. (Parasite – cestode)

  • Enterococcal bacteraemia – Enterococcus spp. isolated from blood (Bacteria)

  • Escherichia coli infection (invasive) – E. coli (blood, CSF) (Bacteria)

  • Giardiasis – Giardia lamblia (Protozoa)

  • Gonorrhoea – Neisseria gonorrhoeae (Bacteria)

  • Granuloma inguinale – Klebsiella granulomatis (Bacteria)

  • Haemophilus influenzae disease (invasive) – H. influenzae (blood, CSF or other sterile site) (Bacteria)

  • Hepatitis A (acute) – Hepatitis A virus (Virus)

  • Hepatitis B (acute & chronic) – Hepatitis B virus (Virus)

  • Hepatitis C infection – Hepatitis C virus (Virus)

  • Hepatitis E infection – Hepatitis E virus (Virus)

  • Herpes simplex (genital) – Herpes simplex virus (HSV-1 or HSV-2) (Virus)

  • Herpes simplex (neonatal) – Herpes simplex virus (Virus)

  • Human immunodeficiency virus (HIV) infection – HIV-1 / HIV-2 (Virus)

I – L

  • Influenza – Influenza A & B viruses (Virus)

  • Klebsiella pneumoniae infection (invasive) – K. pneumoniae (blood or CSF) (Bacteria)

  • Legionellosis – Legionella spp. (Bacteria)

  • Leprosy – Mycobacterium leprae (Bacteria)

  • Leptospirosis – Leptospira spp. (Bacteria – spirochaete)

  • Listeriosis – Listeria monocytogenes (Bacteria)

  • Lymphogranuloma venereum – Chlamydia trachomatis serovars L1-L3 (Bacteria-like intracellular)

M – O

  • Malaria – Plasmodium falciparum, vivax, knowlesi, ovale, malariae (Protozoa)

  • mcr-positive Enterobacteriaceae infection / colonisation – Enterobacteriaceae with plasmid-borne mcr colistin-resistance genes (Bacteria, AMR)

  • Measles – Measles virus (Virus)

  • Meningococcal disease – Neisseria meningitidis (Bacteria)

  • Mpox (Monkeypox) – Monkeypox virus, Orthopoxvirus genus (Virus)

  • Mumps – Mumps virus (Virus)

  • Non-specific urethritis – Commonly C. trachomatis & other agents; pathogen not specifically defined (Mixed)

  • Novel or Rare Antimicrobial-resistant Organism (NRAO) – Any newly recognised or exceptionally rare AMR pathogen (Bacteria or Fungi, AMR)

  • Noroviral infection – Norovirus (Virus)

P – S

  • Paratyphoid – Salmonella Paratyphi (Bacteria)

  • Pertussis – Bordetella pertussis (Bacteria)

  • Plague – Yersinia pestis (Bacteria)

  • Pseudomonas aeruginosa infection (invasive) – P. aeruginosa (blood or CSF) (Bacteria)

  • Q Fever – Coxiella burnetii (Bacteria)

  • Rabies – Rabies virus (Virus)

  • Respiratory syncytial virus (RSV) infection – RSV (Virus)

  • Rotavirus infection – Rotavirus (Virus)

  • Rubella – Rubella virus (Virus)

  • Salmonellosis – Salmonella spp. (non-Typhi / non-Paratyphi) (Bacteria)

  • Severe Acute Respiratory Syndrome (SARS) – SARS-associated coronavirus (Virus)

  • Shigellosis – Shigella spp. (Bacteria)

  • Smallpox – Variola virus (Virus)

  • Staphylococcal food poisoning – Enterotoxigenic Staphylococcus aureus (Bacteria)

  • Staphylococcus aureus bacteraemia – S. aureus isolated from blood (Bacteria)

  • Streptococcus group A infection (invasive) – Streptococcus pyogenes (blood, CSF or sterile site)

  • Streptococcus group B infection (invasive) – Streptococcus agalactiae (blood, CSF or sterile site)

  • Streptococcus pneumoniae infection (invasive) – Streptococcus pneumoniae (blood, CSF or sterile site)

  • Syphilis – Treponema pallidum (Bacteria – spirochaete)

T – Z

  • Tetanus – Clostridium tetani (Bacteria)

  • Toxoplasmosis – Toxoplasma gondii (Protozoa)

  • Trichinosis – Trichinella spp. (Parasite – nematode)

  • Trichomoniasis – Trichomonas vaginalis (Protozoa)

  • Tuberculosis – Mycobacterium tuberculosis complex (Bacteria)

  • Tularemia – Francisella tularensis (Bacteria)

  • Typhoid – Salmonella Typhi (Bacteria)

  • Typhus – Rickettsia prowazekii (Bacteria – obligate intracellular)

  • Verotoxigenic Escherichia coli infection (VTEC / STEC) – Verotoxin-producing E. coli (Bacteria)

  • Viral encephalitis – Multiple viruses (e.g. HSV, VZV, WNV); pathogen not individually specified (Virus)

  • Viral haemorrhagic fevers (VHFs) – Viral families Filoviridae, Arenaviridae, Bunyaviridae, etc.; pathogen unspecified (Virus)

  • Viral meningitis – Non-bacterial meningitis due to viruses (e.g. enteroviruses, HSV-2); pathogen unspecified

  • West Nile fever – West Nile virus (Virus)

  • Yellow fever – Yellow fever virus (Virus)

  • Yersiniosis – Yersinia enterocolitica / Y. pseudotuberculosis (Bacteria)

  • Zika virus infection – Zika virus (Virus)