Maternal exposure to rubella infection elevates risk of congenital rubella syndrome (CRS)

Sasikumar Pitchaikani1, Pothiaraj Govindan1, Harshavardhan Shakila1

  • 1Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, India.

The rise in neurodevelopmental disorders linked to maternal viral infections, particularly during the first and second trimesters of pregnancy, is concerning. Rubella, a contagious viral disease, primarily affects children and young adults, presenting as a rash and mild fever. It can also cause symptoms such as a swollen spleen, blueberry muffin skin spots, small head circumference, meningoencephalitis, developmental delays, and jaundice. When contracted in the first trimester, rubella can lead to severe birth defects or fetal death, with the risk declining after 20 weeks. Congenital rubella syndrome (CRS) caused by rubella's teratogenic effects, remains a major public health challenge, with an estimated 100,000 CRS cases annually. Following the approval of the rubella vaccine in 1969, significant strides have been made to reduce CRS and rubella incidences. This chapter provides disease management, prevention strategies, treatment options, and immunological response, focusing on prognosis and insights from current research on rubella and CRS.

Related Concept Videos

Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Rh Blood Group01:19

Rh Blood Group

The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Development of Immunocompetence01:22

Development of Immunocompetence

The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...