disease control
Zika Virus: An Emerging Health Threat
Posted on by Dr. Francis Collins
Credit: Kraemer et al. eLife 2015;4:e08347
For decades, the mosquito-transmitted Zika virus was mainly seen in equatorial regions of Africa and Asia, where it caused a mild, flu-like illness and rash in some people. About 10 years ago, the picture began to expand with the appearance of Zika outbreaks in the Pacific islands. Then, last spring, Zika popped up in South America, where it has so far infected more than 1 million Brazilians and been tentatively linked to a steep increase in the number of babies born with microcephaly, a very serious condition characterized by a small head and brain [1]. And Zika’s disturbing march may not stop there.
In a new study in the journal The Lancet, infectious disease modelers calculate that Zika virus has the potential to spread across warmer and wetter parts of the Western Hemisphere as local mosquitoes pick up the virus from infected travelers and then spread the virus to other people [2]. The study suggests that Zika virus could eventually reach regions of the United States in which 60 percent of our population lives. This highlights the need for NIH and its partners in the public and private sectors to intensify research on Zika virus and to look for new ways to treat the disease and prevent its spread.
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Tags: Aedes aegypti, Aedes albopictus, Aedes mosquitoes, Asian tiger mosquitoes, birth defects, Brazil, chikungunya, child health, climate, dengue, disease control, disease prevention, disease transmission, epidemic, global health, Guillain-Barré syndrome, infectious disease, microcephaly, mosquito, pediatrics, pregnancy, travel, virology, virus, yellow fever mosquitoes, Zika, Zika virus