Zika

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Volkonski
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Zika

#1

Post by Volkonski » Thu Jan 28, 2016 3:32 pm

This is the big international public health story now.

WHO: Zika virus ‘spreading explosively,’ ‘level of alarm extremely high’

https://www.washingtonpost.com/news/to- ... mely-high/
The World Health Organization announced Thursday that it will convene an emergency meeting to try to find ways to stop the transmission of the Zika virus — which officials said is "spreading explosively" across the Americas.

"The level of alarm is extremely high, as is the level of uncertainty. Questions abound. We need to get some answers quickly, " Margaret Chan, director general of the WHO, said in Geneva in a briefing for member countries.

The WHO said the pathogen, which was virtually unheard of in the region a year ago, is spreading so fast it could infect as many as 3 to 4 million people within 12 months. Chan said those numbers as well as the severity of the possible conditions that are being reported -- from brain defects in children to paralysis in adults -- make the situation dramatically different from what epidemiologists have seen with the virus in the past.

Health officials said 23 countries are affected by mosquitoes that are spreading the virus locally. The Centers for Disease Control and Prevention said the United States has 31 confirmed cases in 11 states and the District of Columbia. All are travel-related, the CDC's Lyle Petersen said, and "this number is increasing rapidly." The country also has 20 additional cases because of local transmission in U.S. territories — 19 in Puerto Rico and one in the U.S. Virgin Islands.


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Re: Zika

#2

Post by mmmirele » Thu Jan 28, 2016 4:14 pm

I was checking to see if the Zika vector, the aedes aegypti mosquito, is here in Arizona, because we do have mosquitoes. What I learned is that they are for sure in Tucson, due to cases of Dengue fever. The article also mentions the other disease carried by the aedes aegypti mosquito, which is Chikungunya.

http://arizonasonoranewsservice.com/mos ... -diseases/

I guess we have to look out for Zika, too.

What concerns me is the link between Zika and microcephaly is not completely made.
RIO DE JANEIRO (AP) — The release of new figures apparently finding fewer cases of microcephaly in Brazil than first feared is adding force to calls for more research into the link between the rare birth defect and the spreading Zika virus.

Health experts have been looking at 4,180 suspected cases of microcephaly reported since October in Brazil, where authorities said the birth defect could be linked to the virus and announced that 220,000 military personnel were being deployed to help eradicate the Aedes aegypti mosquito that transmits Zika.

But on Wednesday, Health Ministry officials said they had done a more intense analysis of more than 700 of those cases, confirming 270 cases and ruling out 462 others.

What this means is hard to say, according to some experts. It does not answer whether the tropical Zika virus is causing the babies to have unusually small heads. Nor does it really tell us how big the problem is.
http://www.usnews.com/news/world/articl ... phaly-link

Don't get me wrong, I think this would be terrifying for a woman who is pregnant or planning on getting pregnant soon. I'd like the link to be stronger, and if there are other things happening, such as environmental teratogens affecting unborn embryos and fetuses, that we get it sorted out sooner rather than later.

I will mention that I think the El Salvadoran government urging women to postpone pregnancy is spitting in the wind. The country is not friendly to family planning, absolutely bans abortion and has incarcerated women for having miscarriages. Zika is going to be a huge problem for them.



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Re: Zika

#3

Post by Volkonski » Fri Jan 29, 2016 8:57 am

Second case of Zika virus confirmed in Houston

http://www.khou.com/story/news/health/2 ... /79471160/
HOUSTON – Another case of the Zika virus has been confirmed in the Houston area.

A woman who traveled to Colombia in November has been diagnosed with Zika, according to the City of Houston Health Department. The woman is in her 50s or 60s.

"The symptoms were mild, joint aches, rash, fever, headache. With Zika, only one in five people will be asymptomatic, and most people aren't bad enough to go to the doctor." said Kathy Barton with the Houston Department of Health.

Another Harris County case was confirmed earlier this month in a patient who had also traveled to Latin America.
So many people travel frequently between Houston and south and central America that zika may soon be endemic here.


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Re: Zika

#4

Post by Addie » Fri Jan 29, 2016 12:50 pm

ABC News
Zika Virus Update: 31 People in US Infected, Houston Woman Recounts Infection


¡Qué vergüenza!

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Re: Zika

#5

Post by Sterngard Friegen » Fri Jan 29, 2016 12:52 pm

:waiting: Still waiting for Taitz to file for an injunction against the mosquito carrier. How can she lose that one? (Service may be an issue though.)



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Re: Zika

#6

Post by kate520 » Fri Jan 29, 2016 1:10 pm

Can a mosquito that does not carry the virus get it from a human who has been infected? That's probably an incredibly stupid question, but I has it anyway.


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Re: Zika

#7

Post by SueDB » Fri Jan 29, 2016 1:25 pm

kate520 wrote:Can a mosquito that does not carry the virus get it from a human who has been infected? That's probably an incredibly stupid question, but I has it anyway.
The mosquito sucks up blood and may or may not actually suffer from the disease (called a "carrier") . Whatever was in victim 1's blood is now in the mosquito. When the mosquito bites the next victim the blood contaminated sucker :sick: ends up mixing what the mosquito has ingested with you :yikes: . It's like dirty needles :radioactive: and the mosquito is sharing a dirty needle with hundreds?? thousands?? in it's lifetime... :eek2:


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Re: Zika

#8

Post by esseff44 » Fri Jan 29, 2016 2:29 pm

kate520 wrote:Can a mosquito that does not carry the virus get it from a human who has been infected? That's probably an incredibly stupid question, but I has it anyway.
The mosquito is the vector. The female requires a blood meal before laying her eggs. If she bites an infected person, she can transmit the virus to another person. The chances are very slim that a Aedes Egyptii is in close proximity to someone who has just returned to the US from an area where it is widespread. Also, temperatures are not high enough for rapid spread of the mosquitoes here in winter. Possible, but highly unlikley.



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Re: Zika

#9

Post by tek » Fri Jan 29, 2016 5:07 pm

I'm just an engineer, but I don't think that mosquitos are particular about the blood they suck.. so it seems to me that even the "Maine State Bird" can be a carrier..


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Re: Zika

#10

Post by esseff44 » Fri Jan 29, 2016 6:26 pm

tek wrote:I'm just an engineer, but I don't think that mosquitos are particular about the blood they suck.. so it seems to me that even the "Maine State Bird" can be a carrier..
Mosquitoes have evolved as specialists and a preference for the blood of different hosts and different conditions.

https://www.vectorbase.org/publications ... t-receptor

https://en.wikipedia.org/wiki/Arbovirus



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Re: Zika

#11

Post by Volkonski » Mon Feb 01, 2016 9:45 pm

New Zika virus cases confirmed in Houston area

http://www.chron.com/news/houston-texas ... c35991ed6a
A mere hours after the World Health Organization (WHO) declared the Zika virus an international emergency, health officials in Harris County have confirmed three new cases of the virus within the county.

Each of the three new cases were found in positive tests of individuals who recently traveled to Latin America and exhibited Zika-like symptoms, including fever, rash and joint pain, according to Harris County Public Health & Environmental Services.


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Re: Zika

#12

Post by Flatpointhigh » Tue Feb 02, 2016 11:02 am

Australia has just reported their first case: http://www.smh.com.au/world/aussie-diag ... mj1j3.html
The fast-spreading Zika virus is likely being under-diagnosed in South-East Asia, infectious disease experts have warned in several reports, including that of an Australian who was infected after a monkey bite in Bali.

The virus, which is being investigated for links to potentially fatal defects in unborn babies in South America, is believed to have been transmitted primarily by mosquitos, with only rare reports of exceptions.

But the authors of a report into the case of a 27-year-old Australian man last year have proposed that a monkey bite he received at the Ubud Monkey Forest could have been to blame.

The man was diagnosed with acute Zika virus after arriving at the Royal Darwin Hospital with fever and a rash seven days after the bite, the report states. He'd also been bitten by mosquitos while holidaying in Bali.



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Re: Zika

#13

Post by kate520 » Tue Feb 02, 2016 11:10 am

Laurie Garrett is my go-to person on emerging viral threats. She's been beating the drum for more than 20 years. She thinks world leaders have let the world down by not taking the threats seriously. None of the countries in Latin America, where Zika is boiling up now, have any money for research, so they just throw half-assed non-solutions at the problem.

Garrett is s local girl! Grew up in San Marino.

Here are some things to search if you're interested.

laurie garrett zika virus


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Re: Zika

#14

Post by Kriselda Gray » Tue Feb 02, 2016 11:11 am

mmmirele wrote:What concerns me is the link between Zika and microcephaly is not completely made.
A couple days ago I read an article while news surfing (so no link, regrettably) stating that in some areas where Zika is prevalent, they aren't seeing g any increase in microencephaly, so it may turn out that either there isn't a link, or that there are more factors involved.


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Re: Zika

#15

Post by Volkonski » Tue Feb 02, 2016 12:29 pm

Authorities seek to protect blood supply from Zika virus


http://www.houstonchronicle.com/news/ho ... 799420.php
An Aedes aegypti mosquito is photographed through a microscope at the Fiocruz institute in Recife, Pernambuco state, Brazil, Wednesday, Jan. 27, 2016. The mosquito is a vector for the proliferation of the Zika virus currently spreading throughout Latin America. New figures from Brazil's Health Ministry show that the Zika virus outbreak has not caused as many confirmed cases of a rare brain defect as first feared. Public health officials are considering steps to protect the blood supply from contamination with Zika virus, including barring patients who have traveled to affected areas from donating blood for up to 28 days.


Discussions of blood donations and other questions swirling around Zika took on new urgency Monday as the World Health Organization declared the virus and its complications a public health emergency. Dr. Margaret Chan, the organization's director general, said the cluster of Zika-linked birth defects, known as microcephaly, "constitute an extraordinary event and a public health threat to other parts of the world."

Chan called for an international response to minimize the threat in infected countries and reduce the risk of international spread. In addition to highlighting the seriousness of the problem, the emergency declaration can trigger action and funding from governments and nonprofits around the world, the New York Times reported. It elevates the WHO to the position of global coordinator and gives its decisions the force of international law.

While U.S. authorities have confirmed more than 30 cases of Zika brought by travelers returning from Latin America, no locally transmitted cases have been confirmed. Harris County and Houston health officials have reported seven confirmed cases.


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Re: Zika

#16

Post by Whatever4 » Tue Feb 02, 2016 5:21 pm

Why is it spreading so quickly all of a sudden? I've seen rumors of GMO-mumble-something. :think:


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Re: Zika

#17

Post by Jim » Tue Feb 02, 2016 5:36 pm

Whatever4 wrote:Why is it spreading so quickly all of a sudden? I've seen rumors of GMO-mumble-something. :think:
Summer in the southern hemisphere, mosquito season.



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Re: Zika

#18

Post by Whatever4 » Tue Feb 02, 2016 5:47 pm

Jim wrote:
Whatever4 wrote:Why is it spreading so quickly all of a sudden? I've seen rumors of GMO-mumble-something. :think:
Summer in the southern hemisphere, mosquito season.
But that happens every year. Why this spike?


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Re: Zika

#19

Post by kate520 » Tue Feb 02, 2016 5:57 pm

Whatever4 wrote:Why is it spreading so quickly all of a sudden? I've seen rumors of GMO-mumble-something. :think:
And Snopes says unconfirmed, not true, not false. It has me worried. :?


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Re: Zika

#20

Post by Volkonski » Tue Feb 02, 2016 6:43 pm

kate520 wrote:
Whatever4 wrote:Why is it spreading so quickly all of a sudden? I've seen rumors of GMO-mumble-something. :think:
And Snopes says unconfirmed, not true, not false. It has me worried. :?
The Zika virus has been working its way around the world from Africa for years. It reached South America last year and spread quickly.
The virus was isolated for the first time in 1947 in the Zika forest in Uganda. Since then, it has remained mainly in Africa, with small and sporadic outbreaks in Asia. In 2007, a major epidemic was reported on the island of Yap (Micronesia), where nearly 75% of the population was infected.

On 3 March 2014, Chile notified PAHO/WHO that it had confirmed a case of indigenous transmission of Zika virus on Easter Island, where the virus continued to be detected until June 2014.

In May 2015, the public health authorities of Brazil confirmed the transmission of Zika virus in the northeast of the country. Since October 2015, other countries and territories of the Americas have reported the presence of the virus. See updated list at: www.paho.org/zikavirus.
http://www.paho.org/hq/index.php?option ... 63&lang=en


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Re: Zika

#21

Post by RTH10260 » Wed Feb 03, 2016 8:08 am

Time to nuke Africa, origin of all nasty things!
Sekrit Stuffs!
like mankind ;)
NADT



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Re: Zika

#22

Post by DejaMoo » Wed Feb 03, 2016 8:18 am

Dallas County reports sexually transmitted Zika case in U.S.
Dallas County Health and Human Services has confirmed a case of Zika infection through sexual transmission, the first confirmed case of locally acquired Zika in the current outbreak.

According to public health officials, the patient was infected after having sexual contact with an ill person who returned from a country where Zika is circulating.



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Re: Zika

#23

Post by Suranis » Wed Feb 03, 2016 8:22 am

It has reached my shores
http://www.rte.ie/news/ireland/2016/020 ... a-ireland/
The first two confirmed cases of the Zika virus in Ireland are currently being investigated by the HSE.

One case is in a male and the other in an older woman. Both individuals have recovered from the infection.

They both have a history of travel to a Zika affected country. The HSE says the cases are unrelated.
HSE investigating two confirmed cases of Zika virus in Ireland

The virus can lead to babies being born with abnormally small heads and underdeveloped brains.


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Re: Zika

#24

Post by mmmirele » Wed Feb 03, 2016 8:38 am

Zika virus: first case contracted in US was sexually transmitted, say officials

First case of Zika virus contracted in US mainland, confirmed in Texas, is only second documented example of virus being passed through sexual contact

http://www.theguardian.com/world/2016/f ... tted-texas

Argh. If true (this appears to be barely more than anecdotal) then it's a game-changer.



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Re: Zika

#25

Post by SueDB » Wed Feb 03, 2016 8:45 am

mmmirele wrote:
Zika virus: first case contracted in US was sexually transmitted, say officials

First case of Zika virus contracted in US mainland, confirmed in Texas, is only second documented example of virus being passed through sexual contact

http://www.theguardian.com/world/2016/f ... tted-texas

Argh. If true (this appears to be barely more than anecdotal) then it's a game-changer.
Texas, a true leader in ...something... ;)


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