Seroprevalence of high incidence congenital infections among pregnant women in Coatepeque, Guatemala and surrounding areas, 2017-2018

PLoS Negl Trop Dis. 2023 Apr 24;17(4):e0011248. doi: 10.1371/journal.pntd.0011248. eCollection 2023 Apr.

Abstract

Maternal infections during pregnancy can potentially cause birth defects and severe adverse effects in infants. From 2017 to 2018, we investigated the seroprevalence of five antibodies among 436 mother-infant pairs enrolled in a pregnancy cohort study in Coatepeque, Guatemala. Upon enrollment (< 20 weeks gestational age) and shortly after delivery, we measured the prevalence of IgG and IgM antibodies against Toxoplasma gondii (T. gondii), rubella, and cytomegalovirus (CMV) in mothers and newborns and used rapid tests to detect HIV and syphilis (Treponema pallidum) in mothers. The mean cohort age was 24.5 years. Maternal T. gondii IgM and IgG seropositivity was 1.9% and 69.7%, respectively. No women were positive for HIV, syphilis, or rubella IgM. Maternal rubella IgG seropositivity was 80.8% and significantly increased with age. Maternal CMV IgM and IgG seropositivity were 2.3% and 99.5%, respectively. Of the 323 women tested at both timepoints, IgM reactivation occurred in one woman for T. gondii infection and in eight for CMV. No newborn was seropositive for CMV IgM or rubella IgM. One newborn was seropositive for T. gondii IgM. Congenital T. gondii and CMV infections are important public health issues for pregnant women, newborns, and healthcare providers in Coatepeque and Guatemala.

MeSH terms

  • Adult
  • Antibodies, Protozoan
  • Antibodies, Viral
  • Cohort Studies
  • Cytomegalovirus Infections* / diagnosis
  • Cytomegalovirus Infections* / epidemiology
  • Female
  • Guatemala / epidemiology
  • HIV Infections*
  • Humans
  • Immunoglobulin G
  • Immunoglobulin M
  • Incidence
  • Infant, Newborn
  • Infant, Newborn, Diseases*
  • Pregnancy
  • Pregnancy Complications, Infectious* / diagnosis
  • Pregnant Women
  • Rubella* / diagnosis
  • Rubella* / epidemiology
  • Seroepidemiologic Studies
  • Syphilis* / epidemiology
  • Toxoplasma*
  • Young Adult

Substances

  • Immunoglobulin G
  • Immunoglobulin M
  • Antibodies, Viral
  • Antibodies, Protozoan

Grants and funding

This study was implemented by the MSPAS and the University of Valle de Guatemala (UVG) and supported as part of a cooperative agreement between UVG and the United States Centers for Disease Control and Prevention (CDC). This study was made possible through support provided by the Office of Infectious Diseases, Bureau for Global Health, U.S. Agency for International Development, under the terms of an Interagency Agreement with CDC through the CDC-UVG Research Cooperative Agreement number 5 U01 GH001003-05. The opinions expressed herein are those of the authors and do not necessarily reflect the views of the U.S. Agency for International Development or the official position of the U.S. Centers for Disease Control and Prevention. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.