GENEVA – Acknowledging Zika is “here to stay,” the United Nations health agency on Friday lifted a 9-month-old emergency declaration and prepared for a longer-term response to the mosquito-borne virus that can result in severe neurological defects in newborns whose mothers were infected.
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WHO officials were quick to note that the move does not mean the agency is downgrading the threat of the virus that has spread across Latin America, the Caribbean and elsewhere. Nearly 30 countries have reported birth defects linked to Zika, with 2,100 cases of nervous-system malformations reported in Brazil alone.
The officials also emphasized that the now-lifted “Public Health Emergency of International Concern” was declared in February, when Zika clusters were appearing and a sharp increase in research was needed — and with the looming Rio Olympics in mind.
WHO said the emergency measures had led the world to an “urgent and co-ordinated response,” but the virus had continued to spread. It acknowledged that “many aspects of this disease and associated consequences still remain to be understood, but this can best be done through sustained research.”
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“It is a significant and enduring public health challenge, but it no longer represents an emergency,” Dr. David Heymann, who heads the WHO emergency committee on Zika, said after the panel met for the fifth time this year.
“There was no downgrading of this.”
Heymann said recommendations made in recent months were now being “internalized” at the Geneva-based agency.
“If anything, this has been escalated in importance by becoming activities that will be continued in the long-term in the World Health Organization,” he said.
Zika is mainly spread by mosquitoes, but also can be spread through sex. Most infected people don’t get sick. It can cause a mild illness, with fever, rash and joint pain.
It also causes microcephaly, or shrunken heads, in newborn children whose mothers were infected, leading to severe developmental problems and sowing grave concerns of would-be parents in countries hit by the virus.
Responding to the WHO announcement, the U.S. Centers for Disease Control reiterated its position that pregnant women should avoid travelling to areas with local transmission of Zika.
Dr. Peter Salama, WHO’s director of emergencies, said the new phase of fighting the virus requires development donors “to step up to the plate and see this for what it is, which is a long-term problem that the world will have to deal with for many years to come.”
“We are sending the message that Zika is here to stay, and WHO’s response is here to stay in a very robust manner,” Salama said.
Mike Stobbe contributed from New York.
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