The results were particularly prominent among infants at the lower end of the birth weight scale, with increases of 15%, 67%, and 133% in the incidence of low, very low, and extremely low birth weights, respectively.
Furthermore, the research highlighted the long-term consequences of maternal dengue infections. It documents significant increases in the hospitalizations of children for up to three years after birth, emphasizing the far-reaching impact of this mosquito-borne disease.
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Dr Martin Foureaux Koppensteiner, co-author of the study at the University of Surrey said:
“There is now compelling evidence of the detrimental effects of maternal dengue infections on birth outcomes. It emphasizes the urgent need for increased awareness, prevention, and targeted interventions to mitigate the impact of this widespread disease on maternal and child health.
“Despite dengue being the most prevalent mosquito-borne viral disease worldwide, with tens of millions of cases annually, there has been a lack of causal evidence regarding its effects on birth outcomes.
“I would strongly encourage you to consider dengue fever along with TORCH infections to manage and avoid when pregnant. Currently, the TORCH infections include Toxoplasmosis, Rubella, HIV, syphilis, chicken pox, Zika, and influenza among others.”
True Consequences of Maternal Dengue
As the research has shown that even mild dengue infections during pregnancy can impact the health of newborns in the short and longer term, including dengue fever in this list will ensure that pregnant women are aware of the risks involved with infections during pregnancy and can take precautions, for example using insect repellents.
The study’s findings will also be relevant for public health officials when deciding on the adoption and prioritization of a new generation of vaccines against dengue.
The study used administrative data from Minas Gerais – a southeastern state in Brazil.
Dengue fever, known as the most prevalent mosquito-borne disease globally, poses a grave threat to approximately half of the world’s population. The disease has witnessed an alarming rise in recent years, with the Americas alone registering over 3 million cases in 2019.
The Silent Threat
Dr Livia Menezes, co-author of the study at the University of Birmingham said:
“The study also highlights the possible consequences of the expanding reach of dengue fever due to climate change. While once limited to tropical and subtropical regions, the disease has now established its presence in more than 120 countries. Aedes mosquitoes, the carriers responsible for transmitting dengue, have found suitable breeding grounds in countries previously unaffected, including Croatia, France, Portugal, and the southern states of the USA.
“This study not only deepens our understanding of the consequences of dengue infections during pregnancy but also serves as a call to action for policymakers, healthcare professionals, and global communities to prioritize preventive measures and support affected families.”
Reference :
- Maternal Dengue and Health Outcomes of Children
– (https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4466341)
Source: Eurekalert
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