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Information on vaccines to counter Ebola and other diseases

The Mission of this group is to follow the development of vaccines and other medications to counter Ebola and other diseases.

Members

Kathy Gilbeaux mdmcdonald MDMcDonald_me_com mike kraft

Email address for group

vaccines_global@m.resiliencesystem.org

Ebola: Call for more sharing of scientific data

BBC NEWS      by Helen Briggs, Environment correspondent                                                                     Feb. 2, 2015

The devastation left by the Ebola virus in west Africa raises many questions for science, policy and international development.

One issue that has yet to receive widespread media attention is the handling of genetic data on the virus.

By studying its code, scientists can trace how Ebola leapt across borders, and how, like all viruses, it is constantly evolving and changing.

Yet, researchers have been privately complaining for months about the scarcity of genetic information about the virus that is entering the public domain.

In the last few days, scientists have been speaking on and off the record about their concerns.

http://www.bbc.com/news/science-environment-31091816

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'Good virus' believed to help increase survival chances in Ebola and HIV infections

INTERNATIONAL BUSINESS NEWS by Jayalaksmi K      Feb. 2, 2015

A common virus that infects billions at some point of their lives is believed to deliver some protection against other deadlier viruses like HIV and Ebola.

David O'Connor, a pathology professor at the University of Wisconsin in Madison, found the genetic fingerprints of the virus GBV-C in the records of 13 samples of blood plasma from Ebola patients.

While six of the 13 people who were co-infected with Ebola and GBV-C died, seven survived.

Combined with earlier studies that have hinted persistent infection with the virus slowed disease progression in some HIV patients, researchers think the virus could be beneficial.

"We're very cautious about over-interpreting these results," O'Connor told NPR. He is now waiting to get a bigger sample, to see if there really is a strong connection between GBV-C infection and survival.
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In pursuit of next-generation Ebola stockpile vaccines

REUTERS   by Kate Kell and Ben Herschler                                                                        Feb. 1. 2015
LONDON --As West Africa's devastating Ebola outbreak begins to dwindle, scientists are looking beyond the endgame at the kind of next-generation vaccines needed for a vital stockpile to hit another epidemic hard and fast.

 

Research assistant Georgina Bowyer works on a vaccine for Ebola at The Jenner Institute in Oxford, southern England January 16, 2015. Credit: Reuters/Eddie Keogh

Determined not to lose scientific momentum that could make the world's first effective Ebola interventions a reality, researchers say the shots, as well as being proven to work, must be cheap, easy to handle in Africa and able to hit multiple virus strains.

That may mean shifting focus from the stripped-down, fast-tracked vaccine development ideas that have dominated the past six months, but it mustn't mean the field gets bogged down in complexities.

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There's an Ebola Vaccine in Africa. Now What?

A scanning electron micrograph of the Ebola virus. The first large-scale trials of an Ebola vaccine are underway in Africa.(NIAID / Flickr)

Unprecedented: In four months, the Ebola vaccine has gone from concept to field trial. Success is not assured.

 THE NATIONAL JOURNAL  by Brian Resnick                      Jan. 28, 2015

Detailed description of the problems issues and procedures for fieldingand testing Ebola vaccines in West Africa.

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..."Without the (Ebola) virus circulating, there's no way to prove the vaccine is effective. At current infection rates, trial researchers would need to see 100 cases of Ebola over a four-month period to achieve statistical significance. That time frame may stretch, or fall apart altogether.

"It's a real dilemma," says Margaret Harris, an MD and spokeswoman for the World Health Organization. "It's extremely good news that the cases are coming down, but it does mean we may not have clear phase III data."

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First GSK Ebola vaccine shipment due to arrive in Liberia

REUTERS by Kate Kelland                                     Jan. 23, 2015

LONDON-- The first batch of GlaxoSmithKline's experimental Ebola vaccine has been shipped to West Africa and is expected to arrive in Liberia later on Friday, the British drugmaker said.

The shipment, of an initial 300 vials of the vaccine, will be the first to arrive in one of the three main Ebola-affected African countries, GSK said in a statement.

It will be used in the first large-scale vaccine trials in coming weeks, in which healthcare workers helping to care for Ebola patients will be among the first to get it...

The vaccine, co-developed by the National Institutes of Health in the United States and Okairos, a biotechnology firm acquired by GSK in 2013, is currently being tested in five small phase I safety trials in Britain, the United States, Switzerland and Mali involving around 200 healthy volunteers in total.

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http://uk.reuters.com/article/2015/01/23/uk-health-ebola-gsk-idUKKBN0KW0DU20150123

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Fast Track on Drug for Ebola Has Faltered

NEW YORK TIMES by Andrew Pollack                               Jan. 23, 2015

As Ebola raged through West Africa last summer, an experimental drug was tried for the first time on two American aid workers in Liberia who were gravely ill with the virus. Both recovered, one of them rapidly.

 

Medicago, in North Carolina, is gearing up for possible production of the Ebola drug ZMapp using its plant-based technology. Credit Gerry Broome/Associated Press

Though it could not be said for sure that the drug, ZMapp, was responsible, patients and doctors began clamoring for it. But there was enough to treat only a handful of patients. Federal officials vowed to produce more.

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Ebola mutations could make some drugs ineffective

BALTIMORE SUN     by Scott Dance                                                   Jan. 20, 2015

In the year since Ebola began spreading across West Africa, the virus has mutated in more than 600 ways that change it slightly from versions studied in labs and used to develop treatments, according to researchers at Fort Detrick. And 10 of the mutations could make some drugs used to treat the virus ineffective, they wrote in research published Tuesday.

The "genomic drift," as the scientists called it, could make agents similar to the experimental drug ZMapp unable to bind to the virus anymore.

While the changes affect only a tiny fraction of Ebola's genome, they offer new lessons about the virus that might not have been learned because of the wide scope of the outbreak, larger than all others combined
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http://www.baltimoresun.com/health/bs-hs-ebola-mutation-20150120-story.html

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Fast track development of Ebola Vaccines

Principles and target product criteria

THE CENTER FOR INFECTIOUS DESEASE AND POLICY                                              Jan 12, 2015

The unprecedented morbidity and mortality from the 2013- 2015 Ebola virus disease (EVD) epidemic in West Africa has challenged every aspect of our global ability to effectively detect, respond to, and control such a rapidly emerging infectious disease crisis.

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Ebola Clue Lurks in 10 Million Zambian Bats

BLOOMBERG       by  Matthew Hill                        Jan. 12, 2015                                    

At 4:50 a.m. at the Kasanka National Park in northern Zambia, tourists watch from a platform in a tree as the sound of millions of wings accompanies the sunrise.

Straw-coloured Fruit Bats fly in Kasanka National Park, Zambia. Photographer: Fabian von Poser/Getty Images

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Extreme measures' needed to see Ebola shot development through

REUTERS     by  Kate Kelland                                          Jan.12, 2015 
LONDON --Developing and bringing to market effective Ebola vaccines requires extreme measures and unprecedented international cooperation, global health experts said on Monday.

A health worker wearing protective gear stands outside a quarantine zone in a Red Cross facility in the town of Koidu, Kono district in Eastern Sierra Leone December 18, 2014.Credit: Reuters/Baz Ratner

In an interim report on a roadmap for vaccines against the current and any future outbreaks of the deadly virus, infectious disease specialists Jeremy Farrar and Mike Osterholm said the scope of effort was "too complex for any single government, organization or company". They called for sustained public-private sector partnership and commitment.

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