Epidemiology of Rubella Virus in a Fragile and Conflict-affected Setting – A Retrospective Analysis of 11 Years Case-based Data in South Sudan - Scorecard - MDSpire

Epidemiology of Rubella Virus in a Fragile and Conflict-affected Setting – A Retrospective Analysis of 11 Years Case-based Data in South Sudan

  • By

  • Sylvester Maleghemi

  • Atem Nathan Anyuon

  • Isaac Michael Zingbondo

  • George Awzenio Legge

  • Melisachew Adane Ferede

  • Patrick Freeman Eweh

  • Evans Mokaya

  • Patience Musanhu

  • Humphrey Karamagi

  • Sarah Wanyoike

  • Diana Chang Blanc

  • Olushayo Oluseun Olu

  • Ayesheshem Ademe Tegegne

  • April 9, 2025

  • 0 min

Share

Clinical Scorecard: Analysis of Rubella Virus Epidemiology in a Conflict-affected Region: A Retrospective Review of 11 Years of Case Data from South Sudan

At a Glance

CategoryDetail
ConditionRubella virus infection (German measles), a vaccine-preventable infectious disease with teratogenic risks
Key MechanismsRubella virus causes mild illness but severe congenital defects if infection occurs during pregnancy; detected via rubella-specific IgM antibodies in measles-negative samples
Target PopulationChildren aged 1–14 years, especially 1–9 years, and pregnant women at risk of congenital rubella syndrome
Care SettingNational immunization and surveillance programs within public health infrastructure in South Sudan

Key Highlights

  • Rubella positivity increased from 1.6% in 2014 to 34.4% in 2020 among measles-negative suspected cases.
  • Children aged 5–9 and 10–14 years have significantly higher odds of rubella infection compared to infants under 1 year.
  • Rubella cases peak seasonally from December to March and are slightly more prevalent in urban areas.

Guideline-Based Recommendations

Diagnosis

  • Test suspected measles cases negative or indeterminate for measles IgM antibodies for rubella-specific IgM antibodies.
  • Use combined measles-rubella case-based surveillance protocols following WHO AFRO guidelines.

Management

  • Introduce rubella-containing vaccine into the national immunization schedule to prevent rubella infection and congenital rubella syndrome.
  • Target vaccination strategies towards children aged 1–9 years and urban populations.

Monitoring & Follow-up

  • Maintain integrated measles-rubella surveillance to monitor rubella epidemiology and vaccine impact.
  • Use logistic regression and descriptive statistics to identify high-risk groups and temporal trends.

Risks

  • Rubella infection during the first trimester of pregnancy causes congenital rubella syndrome with severe birth defects.
  • Conflict-affected settings may impair healthcare infrastructure, limiting vaccine coverage and surveillance sensitivity.

Patient & Prescribing Data

Children aged 1–14 years in South Sudan, especially 1–9 years, and women of childbearing age.

Rubella vaccine provides >95% protection after a single dose; vaccination is critical to reduce rubella incidence and prevent congenital rubella syndrome.

Clinical Best Practices

  • Implement routine rubella vaccination within national immunization programs, prioritizing high-risk age groups.
  • Leverage existing measles surveillance systems to monitor rubella infection trends.
  • Advocate for rubella vaccine introduction using epidemiological evidence from surveillance data.
  • Address urban-rural disparities in rubella infection through targeted public health interventions.
  • Recognize seasonal peaks (December–March) to optimize vaccination campaigns and resource allocation.

References

Original Source(s)

Related Content