Background information: Salmonella enterica subsp. enterica serovar Leeuwarden (antigenic formula 11:b:1,5) is a serovar of the O:11 (F) serogroup. This serovar was first identified by A. B. Wielenga from a stool sample of a five-month-old baby with enteritis in the Netherlands.

NCBI PD link for serovar Leeuwarden: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Leeuwarden%22)

Genetic characteristics: 

Animal reservoir: 

Geographical distribution: UK, USA, Netherland

Human outbreaks: There have been no recent human outbreaks linked to this serovar.

Border rejections:

Year

Exporting Country

Importing Country

Associated source

2019

Bulgaria

Sweden

Sesame seeds

2019

Bulgaria

Sweden

Beef Tallow in Pet Food

Recalls: There have been no recent recalls linked to this serovar.

Relevant links:
  1. https://link.springer.com/article/10.1007/BF02539007
  2. https://webgate.ec.europa.eu/rasff-window/portal/index.cfm?event=notificationDetail&NOTIF_REFERENCE=2019.0919