Researchers Discover How West Nile Virus Survives in Mosquitoes

West Nile virus tricks mosquitoes into producing a particular protein complex that allows it to survive and be transmitted, Yale researchers report in the Sept. 3 issue of the journal Cell.

This molecular survival mechanism helps explain how West Nile virus got a foothold for the first time in North America nearly a decade ago, note the researchers. And as temperatures rise in the hemisphere, this mechanism may help public health officials in traditionally temperate climates identify emerging threats from tropical diseases, they add.

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Researchers Determine How Mosquitoes Survive Dengue Virus Infection

Colorado State University researchers have discovered that mosquitoes that transmit deadly viruses such as dengue avoid becoming ill by mounting an immediate, potent immune response. Because their immune system does not eliminate the virus, however, they are able to pass it on to a new victim.

In a study published February 13 in the open-access journal PLoS Pathogens, the researchers show that RNA interference – the mosquito immune response — is initiated immediately after they ingest blood containing dengue virus, but the virus multiplies in the mosquitoes nevertheless.

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Scientists Find Bacterium Can Halt Dengue Virus Transmission

Dengue fever — caused by a virus transmitted by mosquitoes — threatens 2.5 billion people each year and there is no vaccine or treatment. New research by Michigan State University entomologists has found that a bacterium can stop dengue viruses from replicating in the mosquitoes.


“In nature, about 28 percent of mosquito species harbor Wolbachia bacteria, but the mosquitoes that are the primary transmitters of dengue, Aedes aegypti, have no Wolbachia in them,” said Zhiyong Xi, MSU assistant professor of entomology and study author. “We found that Wolbachia is able to stop the dengue virus from replicating. If there is no virus in the mosquito, it can’t spread to people, so disease transmission can be blocked.”

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Scientists Closing the Gap on Dengue Fever

A mosquito-borne virus that each year harms up to 100 million people and kills more than 20,000 is a step closer to being controlled after a breakthrough by Queensland scientists.


In a paper published in the prestigious international journal Science on January 2, researchers from The University of Queensland have proved the effectiveness of a new way of limiting the lifespan of the type of mosquito that spreads dengue fever.

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Climate Variability and Dengue Incidence

Research published this week in PLoS Medicine demonstrates associations between local rainfall and temperature and cases of dengue fever, which affects an estimated fifty million people per year worldwide. But the study finds little evidence that the El Niño-Southern Oscillation – the climate cycle that occurs every three to four years as a result of the warming of the oceans in the eastern Pacific – has a significant impact on the incidence of dengue in Mexico, Puerto Rico or Thailand.

Large outbreaks of dengue, a vector-borne viral disease spread by the Aedes aegypti mosquito, occur every few years in many tropical countries. Michael Johansson, of the Centers for Disease Control and Prevention in Puerto Rico, used a technique called “wavelet analysis” to probe relationships between the local climate, El Niño, and incidence of dengue in Mexico, Puerto Rico and Thailand — three countries where dengue is endemic. They were able to separate and compare seasonal and multiyear components of each. In all three countries temperature, rainfall, and dengue incidence varied strongly on an annual scale, showing association in the wavelet analysis.

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What is Dengue Fever?

Rainy season is here again. The time of year when people love to sleep, eat foods that warm us especially “bulalo” which is my favorite by the way, or hang out with friends on a cup of coffee. But on the other hand, it is also the time of year when mosquitoes reproduce very rapidly from open and non flowing waters around us. We all know the harm it could bring and one of this is DENGUE HEMORRHAGIC FEVER which is very fatal if treated on the late stage of the disease. So, it is very important for us to arm with a little knowledge about this kind of disease especially people from the tropical area.

Dengue hemorrhagic fever is an acute infectious disease manifested initially with fever.

protect yourself from dengue the natural way

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Dengue & Vector Control

According to WHO globally dengue disease is 10th most common cause of mortality. Two-third of the world population is at risk of contracting dengue fever. There are 50 -100 million cases of dengue fever each year. Dengue fever (DF) and dengue hemorrhagic fever (DHF) are caused by dengue viruses (genus Flavivirus; family Flaviviridae). Dengue viruses are small, single-stranded, RNA viruses. There are four antigenically-related but distinct serotypes, dengue 1, dengue 2, dengue 3 and dengue. This virus enters the human body through the bite of Aedes mosquito that carry one of the four strains of dengue virus.

Protect yourself from virus the natural way

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Alfa HFI Counters Deadly Obesity Virus

fat shadow man

Obesity or simply the state of exceeding the ideal body weight by 100 lbs. for males, or 80 lbs. for females, is associated with a higher risk of disease, which leads to early death. Apparently, with the numbers rising to approximately 350 million obese people around the world, wherein about 500, 000 of them are Filipinos; it is alarming to note that some of these patients are very young and need surgical intervention.

Interestingly, while many of us are trying to take pleasure in an unhealthy diet and in a lifestyle with less or no exercise, these patients are beginning to feel the pains and emotional regrets of being obese. Largely affected are women who suffer ridicule and discrimination that significantly affect their self-confidence and integrity. Studies have shown that obese people also experience complications like diabetes, heart problems, osteoarthritis, stroke, cancers, weak stamina, and chronic depression, among others.

It is well-known that increased food intake and decreased physical activity eventually result in obesity. In the recent years, however, scientific research discovered another possible reason; they identified an epidemic known as the Human Adenovirus 36 (Ad-36) or the Obesity Virus, which can be caught as easily as a common cold from other people’s coughs, sneezes and dirty hands.

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Dr. Nikhil Dhurandhar, an associate professor at the Pennington Biomedical Research Center, in Lousiana, said the parasitic virus, causes sniffles and sore throats as it infects the lungs then whisks around the body forcing fat cells to become fatter and multiply at a tremendous rate. In their experiments, Ad-36 has been shown to cause obesity in chicken, mice and monkey. In one test, Ad-36 infected 30% of obese humans but only 11% of thinner humans and these subjects are heavier compared with their Ad36-negative counterparts.

Ad-36 was first described in 1980, when it was originally isolated from a German girl with diabetes. Afterwards, prevalence of obesity increased by 30% between 1980 and 1990, and by 61% between 1990 and 2000; with no indication that this numbers are lessening.

Understanding the alarming growth of the obese population worldwide, health advocate Mr. Hans Palacios and Civic Leader for Public Awareness and Education Mr. Jake Ortiz indulge in efforts to spread a public awareness campaign about obesity and the Ad-36 virus, at DWIZ every Sunday at 10-11:00 AM, in partnership with www.thebignm.com - the only network management website for Filipinos.

Obesity virus attacks the body’s immune system, and interferes with its normal functions. This in turn makes the body more vulnerable to other deadly viruses like influenza, typhoid, dengue, hepatitis, hanta virus, chicken pox, herpes, gastroenteritis, swine flu (A H1N1), and HIV/AIDS. Researchers reported some 50 adenovirus strains that cause respiratory and eye infections, and various vaccines for these are not yet developed.

abdomens

Backed by 15 years of study and clinical tests, Alfa HFI is a breakthrough discovery and was created by scientists as the nature’s most powerful broad spectrum antiviral solution to address this concern. It is an all-natural, pure and safe dietary supplement. It is refined and formulated from the powerful plant and animal bio-molecules found in ancient deposits of decomposed organic matter, which are humus layers of the earth’s soil that play an important role in the transfer of minerals within the living organism.

Alfa HFI works by penetrating the invading ultramicroscopic viruses and preventing their attachment into healthy cells through agents called Viral Fusion Inhibitors, which block and wrap the viruses in a coating substance. If the virus cannot attach to the cell’s DNA, it cannot survive and reproduce. Alfa HFi also has the amazing Alert Mode Ability that signals the immune system to flush the viruses out.

Alfa HFi also works both as preventive and immune system supportive and will be a valuable support for people seeking relief from nutritional imbalances, immune system disorders and viral diseases. It has anti-inflammatory, antibacterial, antibiotic, anti-allergic, anti-arthritic, anti-ulcerogenic, immuno-modulatory and other health benefis.

As a potent chelator and detoxifier, it attracts and attaches itself to toxic heavy metals and other toxins and removes them from the body as waste. It contains trace amounts of 70 mineral phyto-nutrients that give more energy. It increases polysaccharide sugars and combats the spread of free radicals in the body. It improves stress resistance, appetite, and the ability to focus during strenuous activities.

Consumption of Alfa HFI immediately restores and supercharges the body’s resistance to disease and infection by helping the body in manufacturing necessary glycoproteins within. It also perks up the gastrointestinal tract as pro-biotic, strengthens the joints and bones, provides amino acids and electrolytes, and boosts oxygen for the red blood cells.

Enzacta prides itself on having Alfa HFI Humic/Fuvic Acid Supplement as a product of their state-of-the-art technology and special proprietary process called BioReady Nutrients© (BRNs).  BRNs are nutritional complexes extracted, concentrated and naturally-enhanced for better bio-availability.

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For more information on Alfa HFI please contact :

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