Zika Virus outbreak: More babies born with birth defects

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Re: Brazil Zika outbreak: More babies born with birth defects

#21  Postby Doubtdispelled » Jan 28, 2016 7:52 pm

Teague wrote:
The mosquito is the most dangerous animal in the world, carrying diseases that kill one million people a year. Now the Zika virus, which is carried by mosquitoes, has been linked with thousands of babies born with brain defects in South America. Should the insects be wiped out?

There are 3,500 known species of mosquito but most of those don't bother humans at all, living off plant and fruit nectar.

It's only the females from just 6% of species that draw blood from humans - to help them develop their eggs. Of these just half carry parasites that cause human diseases. But the impact of these 100 species is devastating.

"Half of the global population is at risk of a mosquito-borne disease," says Frances Hawkes from the Natural Resources Institute at the University of Greenwich. "They have had an untold impact on human misery."


http://www.bbc.co.uk/news/magazine-35408835


Interesting.


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Re: Brazil Zika outbreak: More babies born with birth defects

#22  Postby Rachel Bronwyn » Jan 28, 2016 11:16 pm

Just as well I'm not pregnant at the moment.
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Re: Brazil Zika outbreak: More babies born with birth defects

#23  Postby DougC » Jan 29, 2016 2:42 am

B.B.C. - Zika virus: Activists in Brazil to petition court to allow abortions
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Re: Brazil Zika outbreak: More babies born with birth defects

#24  Postby kiore » Jan 29, 2016 3:08 am

DougC wrote:B.B.C. - Zika virus: Activists in Brazil to petition court to allow abortions


Unsure this will be successful, there is still no beyond reasonable doubt link proving that Zika infection (ZIKAV is current name) causes these birth defects, but the evidence is enormous and mounting and if this was a murder trial enough exists to arrest if not convict the suspect.
This outbreak too big, too new and too different from previous ones for 100% certainty just now.
The ability to test for the virus is still quite limited, and it may be that this outbreak is far bigger and more widespread than we are seeing right now as we are still experiencing a significant time lag especially in respect to diagnosed microcephaly associated with possible infection.
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Re: Brazil Zika outbreak: More babies born with birth defects

#25  Postby RDW » Feb 01, 2016 12:44 pm

Looks like Tata Motors may have to have a serious think about the name of their latest model:
http://www.theguardian.com/business/201 ... nch-indian
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Re: Brazil Zika outbreak: More babies born with birth defects

#26  Postby kiore » Feb 02, 2016 12:47 am

WHO/OMS declares ZIKAV a global emergency:
http://www.bbc.com/news/health-35459797
What does this mean? Well funds and priorities for one thing, and both these things needed to limit the spread of this outbreak.
Interestingly there are a couple of small variations between the BBC report of the broadcast and the official WHO broadcast which may be ironed out soon, but certainly there must be huge political pressure from some of the affected not to recommend travel restrictions, not just because of the olympics but the economic impact of reduced tourism in general.
Predictions that most of the Americas will be affected do not seem outrageous at present and the USA needs a long cold dry winter to dampen this down. unfortunately it doesn't look like that will happen.
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Re: Brazil Zika outbreak: More babies born with birth defects

#27  Postby Weaver » Feb 02, 2016 11:52 pm

Sexual transmission of Zika reported in Texas:

A person in Texas has become infected with the Zika virus after having sexual contact with an infected person returning from a country where the virus is present, the health department of Dallas County announced today.

The Centers for Disease Control and Prevention (CDC) has confirmed the case to Medscape Medical News, saying "it is the first US case of Zika virus infection in a non-traveler in the continental US."

The CDC told Medscape Medical News that "there was no risk to a developing fetus" in the Texas case.

"Based on what we know now, the best way to avoid Zika virus infection is to prevent mosquito bites and to avoid exposure to semen from someone who has been exposed to Zika virus or has been ill from Zika virus infection," the CDC said. "We do not have definitive information on the infectious time period, and will provide more guidance for individuals and clinicians as we learn more.

"Sexual partners can protect themselves by using condoms to prevent spreading sexually transmitted infections. People who have Zika virus infection can protect others by preventing additional mosquito bites."
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Re: Brazil Zika outbreak: More babies born with birth defects

#28  Postby kiore » Feb 03, 2016 12:35 am

ZIKAV transmitted by body fluids is possibly much more common than reported, is probably only possible to detect when an infection occurs outside of the vector range.

Possibly the key message in that article is that those with ZIKAV infections need to be avoid mosquito bites to prevent the new outbreaks, this will probably be one of the hardest things to implement.
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Re: Brazil Zika outbreak: More babies born with birth defects

#29  Postby RDW » Feb 03, 2016 7:36 pm

For connoisseurs of silly hypotheses, here's a classic from The Ecologist:
http://www.theecologist.org/News/news_a ... aster.html
Working out how a DNA transposon that's nearly as big as the Zika virus genome can jump into an RNA virus is left as an exercise for the reader.
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Re: Brazil Zika outbreak: More babies born with birth defects

#30  Postby Animavore » Feb 15, 2016 3:58 pm

The conspiracy theories on this are predictably idiotic.

http://www.politifact.com/global-news/s ... etically-/
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Re: Brazil Zika outbreak: More babies born with birth defects

#31  Postby RNeto » Feb 22, 2016 11:47 am

I don't have much detail, but it seems that now there are some investigations going around here, about a possible influence of Zika on the "growing number" of neurological diseases on adults.

What, sadly, will give way more room to conspiracy theories, since this will really mess on how people feel self-endangered by the mosquito/virus.
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Re: Brazil Zika outbreak: More babies born with birth defects

#32  Postby Aca » Feb 24, 2016 5:37 pm

In Response To Zika, Brazil Moves To Restrict Abortion Even More

....In Brazil, where doctors have seen 4,000 cases of babies born with microcephaly in the past four months, abortion is already illegal — aside from rare cases of rape, anencephaly (a more extreme version of microcephaly, where a baby often dies in infancy), or when the mother’s life is in danger. Currently, if a woman is found to have had an abortion, she is sentenced to no more than three years in prison. But under this new legislation, if a court found the case to be based on microcephaly, a woman can spend up to four-and-a-half years behind bars. And for doctors that administer the abortion? They could face a 15 year sentence.

Those backing this bill say that the Zika virus has unfairly loosened the country’s acceptance of abortion, and feminist groups are to blame.


http://thinkprogress.org/health/2016/02 ... laws-zika/
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Re: Brazil Zika outbreak: More babies born with birth defects

#33  Postby RNeto » Feb 29, 2016 2:27 pm

Aca wrote:In Response To Zika, Brazil Moves To Restrict Abortion Even More

....In Brazil, where doctors have seen 4,000 cases of babies born with microcephaly in the past four months, abortion is already illegal — aside from rare cases of rape, anencephaly (a more extreme version of microcephaly, where a baby often dies in infancy), or when the mother’s life is in danger. Currently, if a woman is found to have had an abortion, she is sentenced to no more than three years in prison. But under this new legislation, if a court found the case to be based on microcephaly, a woman can spend up to four-and-a-half years behind bars. And for doctors that administer the abortion? They could face a 15 year sentence.

Those backing this bill say that the Zika virus has unfairly loosened the country’s acceptance of abortion, and feminist groups are to blame.


http://thinkprogress.org/health/2016/02 ... laws-zika/



This kind of thing Is happening after the election of the most conservative congress ever.

After 4 “terms” of a substantially left/populist government being acclaimed responsible for everything that happened on the country, the economy is no longer growing as it used to 10 years ago. This brings to the heads of a badly educated people that, now, the answer for all Latin American problems relay on the other side of a fallacious two-sided political world: the conservative right.

Swimming deep on corruption, cartoonish rightist congress-men (together with not less corrupt leftist rulers) are now leading every kind of absurd initiatives. Some are like giving property-tax exemption to churches…

Its becoming very hard to find a solution to Zika in here, and it will for sure be leaded or guided by the state.
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Re: Brazil Zika outbreak: More babies born with birth defects

#34  Postby DougC » Mar 05, 2016 6:16 am

B.B.C. - Zika caught 'killing' brain cells
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Re: Brazil Zika outbreak: More babies born with birth defects

#35  Postby DougC » Mar 07, 2016 4:35 am

B.B.C. - Zika vaccine possible 'within months'
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Re: Brazil Zika outbreak: More babies born with birth defects

#36  Postby DougC » Mar 25, 2016 3:34 am

B.B.C. - Zika 'World Cup theory' dismissed
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Re: Brazil Zika outbreak: More babies born with birth defects

#37  Postby laklak » Mar 25, 2016 4:10 am

A vaccine would be good. I'm not looking forward to mosquito season.
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Re: Brazil Zika outbreak: More babies born with birth defects

#38  Postby tuco » Mar 25, 2016 12:38 pm

Its fascinating stuff, no disrespect.

Given the seriousness of the dengue and now the Zika crises and the need for a broader range of control techniques, a WHO Vector Control Advisory Group has evaluated some newer tools, including a genetically modified prototype mosquito submitted for WHO review. For genetically modified mosquitoes, the WHO Advisory Group has recommended further field trials and risk assessment to evaluate the impact of this new tool on disease transmission. Trials previously conducted in the Cayman Islands showed significant reductions in the Ae. aegypti population.


A promising biological method of control uses male mosquitoes carrying the naturally occurring Wolbachia bacteria, which are found in 60% of common insects, including butterflies and fruit flies. These bacteria do not infect humans or other mammals. When females mate with males carrying the bacteria, the eggs do not hatch, thus suppressing mosquito populations. Another strain of Wolbachia under investigation establishes the bacteria in the mosquito population and reduces the mosquitoes’ ability to transmit dengue. The mosquitoes are not genetically modified as the technique involves no tampering with or modifications of genes. Mosquitoes carrying Wolbachia bacteria have been released in several places, including Australia, Brazil, Indonesia, and Viet Nam as part of control strategies for dengue. Large-scale field trials of Wolbachia bacteria will be initiated soon.


http://www.who.int/emergencies/zika-vir ... ontrol/en/
---

Inside the Mosquito Factory That Could Stop Dengue and Zika
Genetically modified mosquitoes seem to stop the spread of disease—but will Brazil, or anyone else, pay for them?

These mosquitoes will spend their lives competing, copulating, and, because they are so numerous, overwhelming the population of wild males in the pursuit of females. Because of a genetic change to their DNA, they will live only four days—and their offspring won’t ever develop past the larval stage.


https://www.technologyreview.com/s/6008 ... -and-zika/

---
In Australia, a New Tactic in Battle Against Zika Virus: Mosquito Breeding

The plan depends on microbes called Wolbachia bacteria. If they are present in a mosquito, it cannot become a carrier of a wide range of dangerous pathogens, including dengue, yellow fever, chikungunya, and Zika. And when it breeds, it passes the Wolbachia bacteria to its offspring, and they also cannot carry those diseases.

Wolbachia bacteria exist naturally in some mosquito species, Dr. O’Neill said, and a walk around a tropical garden might turn up a host of other insects, including dragonflies, butterflies and fruit flies, that also carry the microbe. But it is not found naturally in Aedes aegypti mosquitoes, the type that transmits “almost 99 percent of the viruses that cause outbreaks of Zika, yellow fever, dengue and chikungunya” in humans, Dr. O’Neill said.

“Our idea wasn’t to go out and put poisons into the environment, things that harm people or kill animals,” he said. “The mosquitoes stay in the food chain. We wanted a small change. And this seems to be it.”


http://www.nytimes.com/2016/02/05/world ... .html?_r=0
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Re: Brazil Zika outbreak: More babies born with birth defects

#39  Postby DougC » Apr 12, 2016 1:50 am

B.B.C. - Zika virus 'scarier than thought' says US
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Re: Brazil Zika outbreak: More babies born with birth defects

#40  Postby kiore » Apr 12, 2016 2:17 am

DougC wrote:B.B.C. - Zika virus 'scarier than thought' says US


I am not sure this title 'scarier than thought is really the case' probably should be ' may directly threaten the USA, more than thought'.. But glad this is back in the news, for a while I have been getting feedback from people who believe it is over, as no longer a news item, when in fact it is almost certainly building and spreading, the northern summer is approaching and the opportunity for the virus to infect resident Aedes mosquitoes in the USA is becoming more likely. The information being gathered on the damage it causes both in brain damage in the unborn and nerve damage to adults is firming.
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