Research and analysis

NOIDs causative agents: week 51 (week ending 22 December 2024)

Updated 23 December 2024

Applies to England and Wales

Laboratories in England have a statutory duty to notify the UK Health Security Agency of the identification of the following causative agents:

  • Bacillus anthracis
  • Bacillus cereus
  • Bordetella pertussis
  • Borrelia spp
  • Brucella spp
  • Burkholderia mallei
  • Burkholderia pseudomallei
  • Campylobacter spp
  • Carbapenemase-producing Gram-negative bacteria
  • Chikungunya virus
  • Chlamydophila psittaci
  • Clostridium botulinum
  • Clostridium perfringens
  • Clostridium tetani
  • Corynebacterium diphtheriae
  • Corynebacterium ulcerans
  • Coxiella burnetii
  • Crimean-Congo haemorrhagic fever virus
  • Cryptosporidium spp
  • Dengue virus
  • Ebola virus
  • Entamoeba histolytica
  • Escherichia coli O 157
  • Francisella tularensis
  • Giardia spp
  • Guanarito virus
  • Haemophilus influenzae (invasive)
  • Hanta virus
  • hepatitis A
  • hepatitis B
  • hepatitis C
  • hepatitis D
  • hepatitis E
  • influenza virus
  • Junin virus
  • Kyasanur Forest disease virus
  • Lassa virus
  • Legionella spp
  • Leptospira interrogans
  • Listeria monocytogenes
  • Machupo virus
  • Marburg virus
  • measles virus
  • mpox virus
  • mumps virus
  • Mycobacterium tuberculosis complex
  • Neisseria meningitidis
  • Omsk haemorrhagic fever virus
  • Plasmodium falciparum
  • Plasmodium Knowlesi
  • Plasmodium Malariae
  • Plasmodium Ovale
  • Plasmodium Vivax
  • polio virus
  • Rabies virus
  • Rickettsia spp
  • Rift Valley fever virus
  • Rubella virus
  • Sabia virus
  • Salmonella spp
  • SARS coronavirus
  • Shigella spp
  • Streptococcus group A (invasive)
  • Streptococcus pneumoniae (invasive)
  • Varicella zoster virus
  • Variola virus
  • Vibrio cholerae
  • West Nile virus
  • Yellow fever virus
  • Yersinia pestis

Statutory Notifications of causative agents, grouped by root organism

Totals for the current week compared to the previous 5.

Week notification received 2024/46 2024/47 2024/48 2024/49 2024/50 2024/51
Arboviruses            
West Nile Virus - - - - - 1
Bacillus            
Bacillus cereus 21 25 21 14 14 17
Bordetella            
Bordetella pertussis 28 31 48 28 21 25
Borrelia            
Borrelia burgdorferi 18 34 26 24 29 19
Borrelia sp 5 6 1 11 4 6
Brucella            
Brucella melitensis - 1 - - - -
Brucella sp 1 - 4 - 4 1
Burkholderia            
Burkholderia pseudomallei - 1 - - - -
Campylobacter            
Campylobacter coli 30 35 31 40 46 23
Campylobacter fetus 1 2 - - - -
Campylobacter jejuni 333 358 310 253 284 181
Campylobacter other named - 1 3 - 2 1
Campylobacter rectus 1 - - 1 1 -
Campylobacter sp 1,128 1,019 930 992 834 925
Campylobacter upsaliensis - - 1 - 1 1
Campylobacter ureolyticus (bacteroides corrodens) 1 3 1 - - 1
Chikungunya virus            
Chikungunya virus - 2 - 1 3 2
Clostridium            
Clostridium perfringens 21 25 38 46 38 40
Coronavirus            
Coronavirus 27 42 37 68 89 112
Human coronavirus hku1 - - - 1 - -
SARS-CoV-2 antibody indeterminate 50 35 36 2 4 7
SARS-CoV-2 antibody void 16 - - - 4 -
SARS-CoV-2 coronavirus (COVID-19) 1,137 1,204 1,056 1,194 1,175 1,204
SARS-CoV-2 coronavirus (COVID-19) indeterminate 78 92 115 72 66 88
SARS-CoV-2 IgG antibody negative 16 13 15 9 8 8
SARS-CoV-2 IgG antibody positive 94 131 90 94 76 65
SARS-CoV-2 total antibody negative 11 7 10 10 10 9
SARS-CoV-2 total antibody positive 32 39 26 48 46 27
Corynebacterium            
Corynebacterium diphtheriae 3 3 3 3 - 6
Corynebacterium ulcerans - 1 1 - 1 1
Coxiella            
Coxiella burnetii - - - - 1 -
Cryptosporidium            
Cryptosporidium cuniculus - - - 1 1 -
Cryptosporidium hominis 16 4 8 6 9 7
Cryptosporidium meleagridis - - - 1 - -
Cryptosporidium parvum 32 28 48 58 37 21
Cryptosporidium sp 70 84 87 64 72 61
Cryptosporidium ubiquitum 1 - - 1 1 -
Entamoeba            
Entamoeba histolytica 4 2 4 - 2 5
Escherichia            
Escherichia coli O 157 11 9 21 14 5 10
Flaviviruses            
Dengue virus 6 8 7 5 5 5
Giardia            
Giardia sp 95 127 111 103 105 109
Haemophilus            
Haemophilus influenzae 69 70 73 67 59 84
Hepatitis viruses            
Hepatitis A 16 12 11 22 24 26
Hepatitis B 320 312 294 270 274 267
Hepatitis C 275 278 280 262 258 211
Hepatitis D 9 6 12 5 9 9
Hepatitis E 35 33 31 38 38 30
Influenza virus            
Influenza A 1,086 1,869 3,302 5,642 7,883 11,700
Influenza B 111 123 155 231 369 543
Influenza indeterminate - 2 2 7 4 5
Influenza ungrouped 20 39 96 179 226 263
Legionella            
Legionella longbeachae - - 1 - - -
Legionella pneumophila 7 3 5 6 8 3
Legionella sp 2 2 1 1 2 3
Leptospira            
Leptospira interrogans - - - - - 1
Listeria            
Listeria monocytogenes 3 2 4 1 2 4
Mycobacterium            
Mycobacterium tuberculosis 81 82 96 78 87 97
Neisseria            
Neisseria meningitidis 48 38 41 26 33 43
Orthopoxvirus            
Mpox virus positive 5 9 24 7 6 7
Paramyxoviruses            
Measles virus 34 18 31 29 22 27
Mumps virus 5 3 7 3 12 5
Plasmodium            
Plasmodium falciparum - - - - - 20
Plasmodium malariae - - 1 - - 1
Plasmodium ovale - - - - - 3
Plasmodium vivax - - - - - 1
Polyomavirus            
Polyomavirus BK 40 60 54 59 64 41
Polyomavirus JC 9 7 8 8 3 10
Polyomavirus untyped 22 7 20 13 22 14
Rickettsia            
Rickettsia sp - 1 1 - - -
Rickettsia spotted fever - 2 - 1 - -
Rubella virus            
Rubella virus 2 4 - 3 5 3
Salmonella            
Other salmonellas 67 72 62 62 39 30
Salmonella agona - - 6 - - -
Salmonella bareilly - - - 5 - -
Salmonella enteritidis 92 60 45 41 19 6
Salmonella java 12 - - - 5 -
Salmonella kentucky 5 - - 8 - -
Salmonella mikawasima 5 - - 6 - -
Salmonella newport 10 12 12 - - -
Salmonella panama 5 - - - - -
Salmonella sp 35 19 13 35 74 106
Salmonella typhi and paratyphi 6 8 11 16 12 -
Salmonella typhimurium 29 43 27 33 20 7
Salmonella enterica 6 - - - - -
Shigella            
Shigella boydii 1 1 - - 1 -
Shigella flexneri 27 26 10 20 13 12
Shigella sonnei 27 34 17 24 19 10
Shigella sp 74 69 46 64 36 73
Streptococcus            
Streptococcus group A 52 42 49 59 57 53
Streptococcus pneumoniae 110 129 158 185 182 190
Vibrio            
Vibrio cholerae 2 - 4 - 1 4

Carbapenemase-producing Enterobacterales (CPE)

For all Carbapenemase-producing Gram-negative organisms, the reports are de-duplicated by first mention of organism species and resistance mechanism by person in a rolling 52-week period.

Note: the numbers presented here do not include specimens that have been referred to the AMRHAI Reference Unit.

Week notification received 2024/46 2024/47 2024/48 2024/49 2024/50 2024/51
Citrobacter              
Citrobacter spp IMP 2 1 - 2 - -
  KPC 1 - - 1 - 1
  NDM 3 1 - 2 1 -
  OXA48 1 3 2 1 2 -
  VIM - - 1 - - -
  Other - 1 - - - -
Enterobacter              
Enterobacter cloacae complex IMP 7 6 1 3 2 -
  KPC 6 4 3 4 3 2
  NDM 14 3 7 6 5 3
  OXA48 5 5 1 2 3 -
  VIM - 1 - - - -
  Other 3 - - - 1 -
Other enterobacter spp IMP 2 - - - - -
  NDM 1 1 1 - - -
  OXA48 1 - 1 - - -
  VIM - - 1 - - -
Escherichia              
Escherichia coli IMP - 4 - 2 2 1
  KPC 5 2 4 1 4 1
  NDM 12 11 10 9 17 1
  OXA48 18 24 21 13 21 3
  Other 1 3 - - 1 -
Escherichia vulneris KPC 1 - - - - -
Klebsiella              
Klebsiella aerogenes IMP 1 - - - - -
  OXA48 - 1 1 1 1 -
  Other - 1 1 - - -
Klebsiella oxytoca IMP - - 1 - - -
  KPC 3 1 2 2 2 2
  NDM 1 - - 1 - -
  OXA48 4 2 2 - 1 -
  VIM - - - 1 - -
Klebsiella pneumoniae IMP 2 - 2 1 1 -
  KPC 16 6 14 9 12 3
  NDM 8 5 7 8 5 1
  OXA48 10 8 13 15 9 -
  VIM 2 1 - - 1 -
  Other 1 - 2 - 1 -
Klebsiella pneumoniae subsp ozenae OXA48 - 1 - - - -
Klebsiella variicola KPC 1 1 - - - -
  NDM - - - 1 - -
  OXA48 - - - 1 - -
Other klebsiella spp KPC - - 1 - - -
  OXA48 1 1 - 1 - -
Leclercia              
Leclercia adecarboxylata OXA48 1 - - - - -
Morganella              
Morganella morganii KPC 1 - - - - -
Morganella morganii subsp morganii NDM - - - - 1 -
Proteus              
Proteus mirabilis NDM 1 5 3 1 2 -
  Other - 2 1 1 2 -
Providencia              
Providencia stuartii Other 1 - - - - -
Raoultella              
Raoultella spp KPC - - - 1 - -
  OXA48 1 - - 1 - -
Serratia              
Serratia marcescens/ureilytica NDM - - 2 - - -
  OXA48 - - - - 1 -

Other carbapenemase-producing Gram-negative organisms

For all Carbapenemase-producing Gram-negative organisms, the reports are de-duplicated by first mention of organism species and resistance mechanism by person in a rolling 52-week period.

Note: the numbers presented here do not include specimens that have been referred to the AMRHAI Reference Unit.

Week notification received 2024/46 2024/47 2024/48 2024/49 2024/50 2024/51
Acinetobacter              
Acinetobacter baumannii NDM - 1 1 1 2 -
  Other - - - 1 - -
Other acinetobacter spp NDM - 1 - 1 - -
Pseudomonas              
Pseudomonas aeruginosa NDM - - - 2 2 1
  VIM 2 - - 1 1 -
  Other 3 1 1 1 1 1
Pseudomonas fluorescens group Other - - - 1 - -
Other pseudomonas spp VIM 1 - - - - -
  Other - - - - 1 -
Other              
  KPC - 1 - - - -
  NDM 1 - - 1 1 -
  OXA48 1 - - - - -