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Watching HIV Bud from Cells

May 19, 2014 2:15 pm | Videos | Comments

University of Utah researchers devised a way to watch newly forming AIDS virus particles emerging or “budding” from infected human cells without interfering with the process. The method shows a protein named ALIX gets involved during the final stages of virus replication, not earlier, as was believed previously.

MERS Virus Spread Person-to-person, CDC Says

May 19, 2014 1:34 pm | by Mike Stobbe, Associated Press | News | Comments

Health officials reported Saturday what appears to be the first time that a mysterious Middle East virus has spread from one person to another in the United States.                         

"Bystander" Chronic Infections Thwart Development of Immune Cell Memory

May 16, 2014 1:15 pm | News | Comments

Studies of vaccine programs in the developing world have revealed that individuals with chronic infections tend to be less likely to develop the fullest possible immunity benefits from vaccines for unrelated illnesses. The underlying mechanisms for that impairment, however, are unclear.

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Blood Seeking Mosquitoes

May 15, 2014 12:41 pm | by Skip Derra | Articles | Comments

Insights into controlling mosquitoes often focuses on how they are attracted to humans, which is by smelling the carbon dioxide we exhale. But once they get close to us, mosquitos often steer toward exposed areas of skin such as ankles and feet. New research has shown that an often overlooked mosquito organ, the maxillary palp, plays an important role in mosquito targeting.

MERS Isn't a Global Emergency, WHO Says

May 14, 2014 12:31 pm | by Maria Cheng, AP Medical Writer | News | Comments

The spread of a puzzling respiratory virus in the Middle East and beyond is not a global health emergency despite a recent spike in cases, the World Health Organization said Wednesday. Read more...               

Chemists Design Molecules for Controlling Bacterial Behavior

May 13, 2014 2:07 pm | News | Comments

Chemists in the College of Arts and Sciences at Syracuse University have figured out how to control multiple bacterial behaviors—potentially good news for the treatment of infectious diseases and other bacteria-associated issues, without causing drug resistance.

Officials Confirm Reports of Second US MERS Case

May 12, 2014 1:53 pm | News | Comments

Health officials have confirmed a second U.S. case of a mysterious virus that has sickened hundreds in the Middle East. A news conference to discuss the case has been scheduled for Monday afternoon by the Florida Department of Health and the CDC.

Malaria Severity Not Determined Solely by Parasite Levels in Blood

May 8, 2014 1:17 pm | News | Comments

Although malaria kills some 600,000 African children each year, most cases of the mosquito-borne parasitic disease in children are mild. Repeated infection does generate some immunity, and episodes of severe malaria are unusual once a child reaches age 5. However, the relative contributions of such factors as the level of malaria-causing parasites in a person’s blood to disease severity and to development of immunity aren't well understood.

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New Study Sheds Light on Survivors of the Black Death

May 8, 2014 11:55 am | News | Comments

A new study suggests that people who survived the medieval mass-killing plague known as the Black Death lived significantly longer and were healthier than people who lived before the epidemic struck in 1347. The study by anthropologist Sharon DeWitte in the College of Arts and Sciences provides the first look at how the plague, called bubonic plague today, shaped population demographics and health for generations.

Starting Signal for Antiviral Defense

May 7, 2014 1:21 pm | News | Comments

Cells have to protect themselves against damage in their genetic material for one thing, but also against attack from the outside, by viruses for example. They do this by using different mechanisms: special proteins search out and detect defects in the cell's own DNA, while the immune system takes action against intruders. Scientists have now shown that the two protective mechanisms are linked by a shared protein.

MERS Experts Working on Way to Block Virus

May 6, 2014 12:45 pm | News | Comments

A team of researchers is creating molecules designed to shut down the Middle East respiratory syndrome coronavirus, or MERS-CoV, that recently arrived in the United States.                       

New Technique Tracks Proteins in Single HIV Particle

May 5, 2014 12:43 pm | News | Comments

An interdisciplinary team of scientists from KU Leuven in Belgium has developed a new technique to examine how proteins interact with each other at the level of a single HIV viral particle. The technique allows scientists to study the life-threatening virus in detail and makes screening potential anti-HIV drugs quicker and more efficient.

CDC Confirms First US Case of MERS Infection

May 5, 2014 8:21 am | by Mike Stobbe - AP Medical Writer | News | Comments

Health officials confirmed the first case of an American infected with a mysterious virus that has sickened hundreds in the Middle East. Federal and state health officials announced on Monday that they are scheduled to discuss their response to the illness.

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Spread of Polio Now a World Health Emergency, WHO Says

May 5, 2014 7:23 am | by Maria Cheng, AP Health Writer | News | Comments

The World Health Organization says the spread of polio is an international public health emergency that threatens to infect other countries with the crippling disease.                       

Undersea Warfare: Viruses Hijack Deep-sea Bacteria at Hydrothermal Vents

May 2, 2014 1:10 pm | News | Comments

More than a mile beneath the ocean's surface, as dark clouds of mineral-rich water billow from seafloor hot springs called hydrothermal vents, unseen armies of viruses and bacteria wage war. Like pirates boarding a treasure-laden ship, the viruses infect bacterial cells to get the loot: tiny globules of elemental sulfur stored inside the bacterial cells.

Newly Arrived Virus Gains Foothold in Caribbean

May 1, 2014 6:17 pm | by David Mcfadden - Associated Press - Associated Press | News | Comments

A recently arrived mosquito-borne virus that causes an abrupt onset of high fever and intense joint pain is rapidly gaining a foothold in many spots of the Caribbean, health experts said. There are currently more than 4,000 confirmed cases of the fast-spreading chikungunya virus in the Caribbean, most of them in the French Caribbean islands of Martinique, Guadeloupe and St. Martin.

Scientists Urge Delay in Destroying Last Smallpox

May 1, 2014 5:22 pm | by Lauran Neergaard - AP Medical Writer - Associated Press | News | Comments

More than three decades after the eradication of smallpox, U.S. officials say it's still not time to destroy the last known stockpiles of the virus behind one of history's deadliest diseases. The world's health ministers meet later this month to debate, again, the fate of vials held under tight security in two labs — one in the U.S. and one in Russia.

Promising Agents Burst Through ‘Superbug’ Defenses to Fight Antibiotic Resistance

April 30, 2014 1:48 pm | News | Comments

In the fight against “superbugs,” scientists have discovered a class of agents that can make some of the most notorious strains vulnerable to the same antibiotics that they once handily shrugged off. The report on the promising agents called metallopolymers appears in the Journal of the American Chemical Society.

‘Lonely’ Bacteria More Likely to Become Antibiotic-resistant

April 29, 2014 1:05 pm | News | Comments

Scientists from the University of Manchester have discovered that microbes in smaller groups are more likely to mutate, resulting in higher rates of antibiotic resistance. The more ‘lonely’ bacteria mutated more, and developed greater resistance to the well-known antibiotic Rifampicin, used to treat tuberculosis.

Live Virus Implicates Camels in MERS Outbreak

April 29, 2014 12:48 pm | News | Comments

There is new, more definitive evidence implicating camels in the ongoing outbreak of Middle East Respiratory Syndrome, or MERS. Scientists extracted a complete, live, infectious sample of MERS coronavirus (MERS-CoV) from two camels in Saudi Arabia.

Monkey Model of Hantavirus Disease Established

April 29, 2014 11:40 am | News | Comments

National Institutes of Health (NIH) researchers have developed an animal model of human hantavirus pulmonary syndrome (HPS) in rhesus macaques, an advance that may lead to treatments, vaccines and improved methods of diagnosing the disease.

Study Traces HIV Evolution in North America

April 25, 2014 2:53 pm | News | Comments

A study tracing the evolution of HIV in North America has found evidence that the virus is slowly adapting over time to its human hosts. However, this change is so gradual that it is unlikely to have an impact on vaccine design.        

How the Body Fights Against Viruses

April 22, 2014 3:13 pm | News | Comments

Scientists have now shown how double stranded RNA, such as viral genetic information, is prevented from entering the nucleus of a cell. During the immune response against viral infection, the protein ADAR1 moves from the cell nucleus into the surrounding cytoplasm.

Ginseng Can Treat, Prevent Influenza

April 21, 2014 12:17 pm | News | Comments

Ginseng can help treat and prevent influenza and respiratory syncytial virus (RSV), a respiratory virus that infects the lungs and breathing passages, according to new research findings.                   

New MRSA Superbug Emerges in Brazil

April 18, 2014 1:17 pm | News | Comments

An international research team identified a new superbug that caused a bloodstream infection in a Brazilian patient. The new superbug is part of a class of highly-resistant bacteria known as methicillin-resistant Staphylococcus aureus (MRSA). The superbug has also acquired high levels of resistance to vancomycin, the most common and least expensive antibiotic used to treat severe MRSA infections worldwide. 

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