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The Link Between Zika and Climate Change

           

Miriam Araujo holds her son Lucas, who was born with microcephaly, in Sao Jose dos Cordeiros, Brazil.

Researchers are beginning to tease out the environmental factors that play a role in helping the virus to spread.

theatlantic.com - by Greg Mercer - February 24, 2016

Last year, a team of researchers made a surprising discovery: Aedis aegypti mosquitoes—the species that spreads West Nile Virus, dengue, chickungunya and, most recently, Zika—were living year-round in the Capitol Hill neighborhood of Washington, D.C. In a paper published in the American Journal of Tropical Medicine and Hygiene, the researchers wrote that the mosquitoes had been living in the area since at least 2011, biting and reproducing in the summer months and likely riding out the winter underground. Previously, scientists had believed that the mosquitoes couldn’t survive year-round anyplace north of South Carolina.

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Stillbirth offers another clue to possible damage from Zika

A 2-month old baby, born with microcephaly, is examined by a neurologist at the Pedro I hospital in Campina Grande, Brazil. Felipe Dana/AP

Image: A 2-month old baby, born with microcephaly, is examined by a neurologist at the Pedro I hospital in Campina Grande, Brazil. Felipe Dana/AP

statnews.com - February 25, 2016

A stillbirth in Brazil is offering another clue to possible health effects of the Zika virus, this time beyond the developing brain.

In addition to a devastating loss of brain tissue, this fetus also had another abnormality — severe swelling and fluid build-up in other parts of the body — that by itself can be life-threatening, researchers reported Thursday.

Researchers found the Zika virus in the fetus even though the mother didn’t report any symptoms of infection, according to the case report published in the journal PLOS Neglected Tropical Diseases.

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Zika Virus Linked to Paralysis Disorder in U.S., CDC Says

          

Aedes mosquitoes can transmit Zika virus as well as dengue and other diseases. Now, the CDC says it may be connected to Guillain-Barré, a rare condition that can cause paralysis.  ISTOCKPHOTO

There are two cases of Guillain-Barré syndrome linked to Zika in the U.S., the CDC says

time.com - by Alexandra Sifferlin - February 18, 2016

Two confirmed cases of Guillain-Barré syndrome linked to the Zika virus have been reported in the U.S., health authorities told TIME on Thursday.

The link between Zika and the birth defect microcephaly has received much attention. But health experts are also concerned about the link between the virus and Guillain-Barré syndrome (GBS), a condition where the immune system starts attacking the body’s nerves, which leads to weakness that can eventually result in temporary paralysis. In some cases, the disorder can interfere with breathing.

The U.S. Centers for Disease Control and Prevention (CDC) confirmed to TIME that there have been two cases of GBS in the U.S. in people who also tested positive for Zika virus.

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Social Progress Index 2015

socialprogressimperative.org

CLICK HERE - Social Progress Index 2015 (158 page .PDF report)

MEASURING NATIONAL PROGRESS – To truly advance social progress, we must learn to measure it, comprehensively and rigorously. The Social Progress Index offers a rich framework for measuring the multiple dimensions of social progress, benchmarking success, and catalyzing greater human wellbeing. The 2015 version of the Social Progress Index has improved upon the 2014 version through generous feedback from many observers and covers an expanded number of countries with 52 indicators.

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CLICK HERE - Publications

http://www.socialprogressimperative.org

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Brazil’s Pre-Zika Microcephaly Cases

          

WIKIMEDIA, NASA

A review of four years’ worth of medical records finds far greater numbers of microcephaly cases from before the ongoing Zika virus epidemic than had been officially reported.

the-scientist.com - by Kerry Grens - February 10, 2016

In the past year, clinicians in Brazil have reported around 4,700 babies with suspected microcephaly, and reviews of 400 of the infants have confirmed the birth defect (another 700 suspected instances of microcephaly have been ruled out). The numbers are alarming to many clinicians in the South American nation. Some have questioned whether the cause of this increase in microcephaly is due to Zika virus—a hypothesis favored by many doctors and public health officials—other infections, or simply a catch-up in reporting.

To get a grasp on just how much the prevalence of microcephaly has changed recently, Sandra da Silva Mattos of the Círculo do Coração de Pernambuco and colleagues combed through the medical records of more than 16,000 babies. The infants were born between 2012 and 2015 at one of 21 medical centers in the state of Paraíba, which has been hard hit by Zika.

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Zika Virus May Hide in Organs Protected from the Immune System

         

A health worker fumigates as part of preventive measures against the Zika virus and other mosquito-borne diseases, at the cemetery of Presbitero Maestro in Lima, Peru, February 12, 2016.  Reuters/Mariana Bazo

reuters.com - by Julie Steenhuysen - February 16, 2016

The Zika virus may be particularly adept at entrenching itself in parts of the body that are shielded from the immune system, making it harder to fight off and possibly lengthening the timeframe in which it can be transmitted, top U.S. experts said on Friday.

Researchers reported that Zika virus can be detected in semen for 62 days after a person is infected, adding to evidence of the virus’s presence in fetal brain tissue, placenta and amniotic fluid. Their work is part of an international race to understand the risks associated with Zika, a rapidly spreading mosquito-borne virus thought to be linked to thousands of cases of birth defects in Brazil.

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CLICK HERE - CDC - Emerging Infectious Diseases - Detection of Zika Virus in Semen

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Hawaii on High Alert of Dangerous Mosquitoes

america.aljazeera.com - February 16, 2016

Dr. Gavin MacGregor-Skinner, the director of disaster response at Harvard Medical School Teaching Hospital, weighs in on Zika and other mosquito-borne diseases.

http://america.aljazeera.com/watch/shows/morning-news/2016/2/hawaii-on-high-alert-of-dangerous-mosquitoes.html

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Zika - List of Map Resources

An expanding list of map resources related to Zika virus . . .

Map - PAHO | WHO - Zika
http://ais.paho.org/phip/viz/ed_zika_countrymap.asp

HealthMap - 2016 Zika Outbreak
http://www.healthmap.org/zika/#timeline

CDC - All Countries and Territories with Active Zika Virus Transmission
http://www.cdc.gov/zika/geo/active-countries.html

FRONTLINE - The Spread of Zika
http://apps.frontline.org/zika/

2016 Zika Linked Microcephaly / Fetal Brain Disruption Sequence
https://www.google.com/maps/d/viewer?mid=1RcVTrkYW6hax_iITjKUkEcBCVeI

Zika Virus - Zika Virus in United States, Territories, and Canada
https://www.google.com/maps/d/embed?mid=zv94AJqgUct4.kT4qLMXp3SLU&hl=en
OR
https://www.google.com/maps/d/viewer?hl=en&hl=en&authuser=0&authuser=0&mid=zv94AJqgUct4.kT4qLMXp3SLU

Zika Virus - Mexico
https://www.google.com/maps/d/viewer?mid=z-BJanWB3osk.kZw-wZDiyK14&hl=en_US 

 

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Map - PAHO | WHO - Zika

Geographic distribution of confirmed cases of Zika virus
(locally acquired) in countries and territories of the Americas, 2015-2016

http://ais.paho.org/phip/viz/ed_zika_countrymap.asp

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Microcephaly Cases in Brazil Predate Zika Virus Outbreak, Study Says

Zika and microcephaly questions

Cases may have been under-reported before the arrival of the virus

CLICK HERE - Microcephaly in northeastern Brazil: a review of 16 208 births between 2012 and 2015 (11 page .PDF file)

cbc.ca - February 10, 2016

Large numbers of babies with borderline normal head sizes were born in Brazil as far back as 2012, two years before the Zika virus is thought to have entered the country, say researchers searching for answers to urgent questions.

Pediatric cardiologist Dr. Sandra Mattos had been collecting data on 100,000 newborns in the Brazilian state of Paraiba as part of her work studying and treating congenital heart disease.

The microcephaly fears linked to the Zika virus drove her team to check back into hospital records for head circumferences of more than 1,600 babies born in the state in the last four years.

"We were very, very surprised," Mattos said. Babies with mild microcephaly were present in the population dating back to at least 2012.

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