Background Information: Salmonella enterica subsp. enterica serovar Pomona (antigenic formula 28:y:1,7) is a serovar of the O:28 (M) serogroup. 

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

Human Outbreaks:

Year

Location

Associated source

Number of cases

2023US: multistateSmall turtles801
2022US: multistateSmall turtles282
2011-2013US: multistateSmall turtles4733

1This outbreak was linked to serovars Pomona, Stanley, and Poona. The case number represents the total number of cases associated with the outbreak and does not specifically indicate the number of people infected by Salmonella Pomona.

2This outbreak was linked to serovars Pomona (3 cases) and Stanley (25 cases).

3Multiple serovars were linked to a series of 8 outbreaks from 2011-2013 involving pet turtles. The other serovars linked to these outbreaks included Sandiego, Newport, Poona, I 4,[5],12:i:-, and Typhimurium. The case number represents the total number of cases associated with the outbreak. The case number individuals infected with Salmonella Pomona was 23 people during Outbreak 2 and 120 people during Outbreak 5. 

Border Rejections: There have been no recent border rejections linked to this serovar. 

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

Relevant Links and References: 

  1. https://www.cdc.gov/salmonella/outbreaks/turtles-08-23/index.html
  2. https://www.cdc.gov/salmonella/outbreaks/stanley-07-22/investigation.html
  3. https://archive.cdc.gov/www_cdc_gov/salmonella/small-turtles-03-12/index.html