Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025
England is experiencing an increase in serogroup W invasive meningococcal disease (IMD) caused by ‘strain A’ of the meningococcal sequence type 11 clonal complex (MenW:cc11) Hajj strain sublineage. Travel-associated and non-travel-associated meningococci from four strain A substrains (A1–A4) account...
Saved in:
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
European Centre for Disease Prevention and Control
2025-08-01
|
| Series: | Eurosurveillance |
| Subjects: | |
| Online Access: | https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2025.30.31.2500509 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849393654138929152 |
|---|---|
| author | Shamez N Ladhani |
| author_facet | Shamez N Ladhani |
| author_sort | Shamez N Ladhani |
| collection | DOAJ |
| description | England is experiencing an increase in serogroup W invasive meningococcal disease (IMD) caused by ‘strain A’ of the meningococcal sequence type 11 clonal complex (MenW:cc11) Hajj strain sublineage. Travel-associated and non-travel-associated meningococci from four strain A substrains (A1–A4) accounted for 32 of 59 MenW IMD cases between January 2024 and June 2025, 14 in people returning from Saudi Arabia or household contacts; eight of 14 linked to Umrah pilgrimage. Communications about MenACWY vaccination for pilgrims year-round should be reinforced. |
| format | Article |
| id | doaj-art-a0d18ed3b8cc44d3b91c265176d13114 |
| institution | Kabale University |
| issn | 1560-7917 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | European Centre for Disease Prevention and Control |
| record_format | Article |
| series | Eurosurveillance |
| spelling | doaj-art-a0d18ed3b8cc44d3b91c265176d131142025-08-20T03:40:21ZengEuropean Centre for Disease Prevention and ControlEurosurveillance1560-79172025-08-01303110.2807/1560-7917.ES.2025.30.31.2500509http://instance.metastore.ingenta.com/content/eurosurveillance/30/31Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025Shamez N Ladhani0Centre for Neonatal and Paediatric Infections (CNPI), St. George’s University of London (SGUL), London, United KingdomEngland is experiencing an increase in serogroup W invasive meningococcal disease (IMD) caused by ‘strain A’ of the meningococcal sequence type 11 clonal complex (MenW:cc11) Hajj strain sublineage. Travel-associated and non-travel-associated meningococci from four strain A substrains (A1–A4) accounted for 32 of 59 MenW IMD cases between January 2024 and June 2025, 14 in people returning from Saudi Arabia or household contacts; eight of 14 linked to Umrah pilgrimage. Communications about MenACWY vaccination for pilgrims year-round should be reinforced.https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2025.30.31.2500509MenWMeningococcal diseaseMass gatheringsTravelPublic healthVaccine |
| spellingShingle | Shamez N Ladhani Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025 Eurosurveillance MenW Meningococcal disease Mass gatherings Travel Public health Vaccine |
| title | Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025 |
| title_full | Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025 |
| title_fullStr | Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025 |
| title_full_unstemmed | Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025 |
| title_short | Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025 |
| title_sort | increase in serogroup w invasive meningococcal disease in england associated with pilgrimage to saudi arabia january 2024 to june 2025 |
| topic | MenW Meningococcal disease Mass gatherings Travel Public health Vaccine |
| url | https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2025.30.31.2500509 |
| work_keys_str_mv | AT shameznladhani increaseinserogroupwinvasivemeningococcaldiseaseinenglandassociatedwithpilgrimagetosaudiarabiajanuary2024tojune2025 |