UN agency lifts Zika emergency, prepares for long-term fight

“It is a significant and enduring public health challenge, but it no longer represents an emergency,” Dr.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.

Traditionally, WHO’s emergency declarations are designed to motivate governments to take steps to curb epidemics.

“But Zika has travelled quite far by now. It’s not quite clear to me what the impact” of continuing the declaration would be, Stephen Morse, an infectious disease expert at New York City’s Columbia University, said.

Containing the spread of the virus was one reason for the February declaration, Heymann said. But its real purpose was to stimulate more study on the alarming link between Zika and devastating birth defects.

Zika, which first was observed as a more minor health threat in 1947, 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.

But the recent outbreak shows it can also cause microcephaly, or abnormally small heads, and brain damage 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.

Zika has been linked as well to a temporary paralysis condition called Guillain-Barre syndrome.

Since the last emergency committee meeting on Sept. 1, two countries in southeast Asia and six other countries have reported microcephaly potentially linked to Zika virus, WHO said.

Responding to the WHO announcement, the U.S. Centers for Disease Control called the move “technical” and 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.

The WHO’s decision is understandable, given that the pace of new Zika infections has dropped off considerably in recent months, said Dr. Anthony Fauci, the infectious disease chief for the U.S. National Institutes of Health.

But he also noted that Brazil — which for a long time was the focus of the international epidemic — is heading into its hottest months, when mosquito activity peaks. And it’s possible that the outbreak could re-intensify, he said.

“I’m not going to agree or disagree” with the WHO decision, Fauci said. “But if we have another resurgence as we enter into the summer months in the southern hemisphere, they should be ready to re-install it.”

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Stobbe contributed from New York.

Jamey Keaten And Mike Stobbe, The Associated Press

by Canadian Press

UN agency lifts Zika emergency, prepares for long-term fight

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