18 Invasive Group B Streptococcus

CDC Group B Strep page

105 cases

15 deaths

94.3 % of cases were hospitalized


8.5 cases per 100,000 population


18.1 Epidemiologic Review

18.1.1 Disease Information

Overview: Group B Streptococcus (GBS) is a bacterial disease caused by the bacterium Streptococcus agalactiae. GBS is a major cause of bacterial infections in both pregnant people and infants.

Symptoms: Symptoms can vary but common types of invasive disease include bacteremia (infection in the blood), cellulitis, pneumonia, and meningitis. Common symptoms among infants include respiratory stress and shock. Pregnant people can experience womb infections and stillbirth.

Transmission: Transmission occurs person-to-person. This includes when a healthy person comes into contact with bodily fluids (blood, respiratory droplets, etc.) of an infected person or through transmission from mother to infant that occurs during delivery.

Treatment: Treatment with antibiotics is recommended as soon as possible.

Prevention Prevention methods include prenatal screenings for all pregnant people. Colonized pregnant people should be treated with antibiotics to prevent transmission during delivery. Additionally, practicing good hygiene habits like hand washing often can help avoid spreading infections. It is also important that people using needles to inject themselves are always using new, clean needles and not reusing or sharing needles.

18.1.2 Demographics


Rates for 1-4, 5-17, and 18-29 years of age are not displayed due to low case counts.


Race Rate per 100k
American Indian or Alaska Native, Non Hispanic <5 cases
Asian, Non Hispanic <5 cases
Hispanic or Latino 4.3
Native Hawaiian or Other Pacific Islander, Non Hispanic 30.2
Other Race, Non Hispanic <5 cases
Two or More Races, Non Hispanic <5 cases
Unknown Race and Ethnicity <5 cases
White, Non Hispanic 9
Black or African American, Non Hispanic <5 cases


Rates for American Indian or Alaska Native, Non Hispanic, Asian, Non Hispanic, Black or African American, Non Hispanic, Other Race, Non Hispanic, Two or More Races, Non Hispanic, and Unknown Race and Ethnicity are not displayed due to low case counts.


18.1.3 Outbreaks

No outbreaks were identified.

18.1.4 Monthly and Historical Comparisons




Data for Utah and the CDC were retrieved from the CDC’s Notifiable Infectious Disease Data Tables. National and state data was not available from the CDC for this disease in the time range at time of report.

18.2 Key Things to Know

  • Most commonly reported symptoms were fever, swelling of hands or feet, nausea, and altered mental status.
  • 22 cases (21%) were admitted to the ICU, 13 cases (12%) were given medications to help increase blood pressures, and < 5 cases were (<4%) were intubated.
  • Common comorbidities among cases include diabetes, chronic lung disease and obesity.
  • 43 cases (41%) reported having a history of diabetes.
  • Drug use was reported in 16 cases (15.23%).
  • 36 cases (34%) reported chronic wounds.
  • 19 cases (18%) reported foot ulcers.