Researchers supported by the National Institutes of Health will monitor potential Zika virus exposure among a subset of athletes, coaches and other U.S. Olympic Committee (USOC) staff attending the 2016 Summer Olympics and Paralympics in Brazil. The study, funded by NIH’s Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and led by Carrie L. Byington, M.D., from the University of Utah, Salt Lake City, aims to improve understanding of how the virus persists in the body and toentify potential factors that influence the course of infection.
“Zika virus infection poses many unknown risks, especially to those of reproductive age,” said Catherine Y. Spong, M.D., acting director of NICHD. “Monitoring the health and reproductive outcomes of members of the U.S. Olympic team offers a unique opportunity to answer important questions and help address an ongoing public health emergency.”
USOC established an Infectious Disease Advisory Group (IDAG), chaired by Dr. Byington, to help prepare the U.S. Olympic team for travel to Brazil, which is the epicenter of the Zika virus outbreak in the Americas. Dr. Byington proposed the project, which aims to enroll at least 1,000 men and women, in response to an NIH announcement designed to expedite review and funding for Zika-related research projects.
“We partnered with the USOC to improve knowledge of the dynamics of Zika infection, so that we can better protect the health of athletes and staff who will participate in the 2016 Games,” said Dr. Byington. “This ongoing relationship also opens avenues for long-term research that promises to benefit not only the Americas, but also other regions facing the emergence of the virus.”
The current study seeks to determine the incidence of Zika virus infection,entify potential risk factors for infection, detect where the virus persists in the body (blood, semen, vaginal secretions or saliva), evaluate how long the virus remains in these fluids, and study the reproductive outcomes of Zika-infected participants for up to one year.
To prepare, USOC and the University of Utah conducted a pilot study in March and April 2016. The study was fully enrolled in two days and included 150 participants. Notably, one-third of the pilot group indicated that they or their partner planned to become pregnant within 12 months of the Olympic Games.
Participants in the current study will complete health surveys and provide samples of bodily fluids for the detection of Zika and similar flaviviruses, such as dengue. Zika virus infection typically does not cause symptoms in adults, so routine sampling will detect asymptomatic infections and help shed light on symptomatic versus asymptomatic infections. Zika virus testing kits and training on how to use the tests will be provided by the U.S. Centers for Disease Control and Prevention.
Before traveling to Brazil, all USOC staff, including athletes and coaches, will be briefed on a number of items, including the Zika outbreak.AG will provide educational materials to athletes and staff and answer questions. During this time, the NIH-funded researchers will present the study and enroll as well as consent USOC staff who are interested in participating. Approximately 3,000 USOC staff members are expected to travel to Brazil. In addition, spouses or sexual partners who are traveling to Brazil may be eligible to participate.
The 2016 Summer Olympics will take place in Rio de Janeiro, from Aug. 5-21, 2016, and the Paralympic Games are scheduled for Sept. 7-18, 2016.
About the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD): NICHD conducts and supports research in the United States and throughout the world on fetal, infant and child development; maternal, child and family health; reproductive biology and population issues; and medical rehabilitation. For more information, visit NICHD’s website.
About the National Institutes of Health (NIH): NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit www.nih.gov.
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