Zika Update

Uptick in Guillain-Barré syndrome; Zika data-sharing snags; Brazilian state discontinues larvicide

Written byKerry Grens
| 2 min read

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PUBLIC HEALTH IMAGE LIBRARY, JAMES GATHANY, CDC

Brazil, Colombia, El Salvador, Suriname, and Venezuela are all reporting an uptick in the number of people diagnosed with Guillain-Barré syndrome (GBS), which can cause temporary but nearly complete paralysis. Health officials suspect Zika virus infection may be related to this surge in GBS cases.

According to the World Health Organization (WHO)’s February 12 Zika Situation Report, some of the patients had been infected with the virus. During the 2013-2014 Zika outbreak in French Polynesia, all 42 patients with GBS tested positive for dengue and Zika infections.

“The cause of the increase in GBS incidence observed in Brazil, Colombia, El Salvador and Suriname remains unknown, especially as dengue, chikungunya and Zika virus have all been circulating simultaneously in the Americas,” the WHO report stated.

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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