Fever in Biological News

Comparative genomics reveals molecular evolution of Q fever pathogen

Blacksburg, Va. Scientists from the National Institute of Allergy and Infectious Diseases, Texas A&M Health Center, and the Virginia Bioinformatics Institute at Virginia Tech have uncovered genetic clues about why some strains of the pathogen Coxiella burnetii are more virulent than others. ...

UTSA infectious disease researchers advancing vaccine against Valley fever

San Antonio Medical mycologists in The South Texas Center for Emerging Infectious Diseases (STCEID) and the Department of Biology at The University of Texas at San Antonio (UTSA) have significantly advanced the fight against San Joaquin Valley Fever, a respiratory infection of humans, commonly ca...

Mosquito parasite may help fight dengue fever

Dengue fever is a terrible viral disease blighting many of the world's tropical regions. Carried by mosquitoes, such as Aedes aegypti , 40% of the world's population is believed to be at risk from the infection. What is more, previous exposure to other strains of the fever does not confer protect...

UQ research targets West Nile virus and dengue fever

Research conducted at The University of Queensland could contribute to the development of a vaccine and cure for West Nile virus and Dengue fever. Led by Associate Professor Alexander Khromykh, a team of researchers from UQ's School of Molecular and Microbial Sciences identified a novel charac...

Genetic factors are linked to fever following smallpox vaccination

New evidence supports the link between genetic factors and certain adverse events related to smallpox vaccination. The study, published in the July 15th issue of The Journal of Infectious Diseases, now available online, may have implications for predicting adverse events from other live vaccines....

Genome of yellow fever/dengue fever mosquito sequenced

Developing new strategies to prevent and control yellow fever and dengue fever has become more possible with the completion of the first draft of the genome sequence of Aedes aegypti mosquito by scientists led by Vishvanath Nene at The Institute for Genomic Research (TIGR) and David Severson at the...

Discovery could lead to better control of hemorrhagic fever viruses

Researchers report discovering the receptor through which a group of life-threatening hemorrhagic fever viruses enter and attack the body's cells, and show that infection can be inhibited by blocking this receptor. The findings, to be published online by the journal Nature on February 7, give a clu...

Hay fever can send work productivity down the drain

Employers can blame hay fever for the loss of millions of hours of work productivity this spring. A new study of nearly 600 people with hay fever symptoms, including sneezing, watery eyes and runny and itchy noses, found that workers missed an hour of work per week during peak hay fever season. ...

Tulane researcher reports on origin of deadly fever outbreak

Bats or other cave dwelling animals may have been responsible for the deadly 1998?000 outbreak of Marburg hemorrhagic fever among gold miners in the Democratic Republic of the Congo, according to an article in the Aug. 31, 2006, issue of the New England Journal of Medicine. Daniel G. Bausch, ass...

Genetically engineered mosquitoes show resistance to dengue fever virus

Researchers have successfully created a genetically engineered mosquito that shows a high level of resistance against the most prevalent type of dengue fever virus, providing a powerful weapon against a disease that infects 50 million people each year. Anthony James, a UC Irvine vector biologist,...

Typhoid fever led to the fall of Athens

Scientists have for many years debated the cause of the Plague of Athens. Analysis carried out by Manolis Papagrigorakis and colleagues using DNA collected from teeth from an ancient Greek burial pit points to typhoid fever as the disease responsible for this devastating epidemic. The study appears...

Fragment of yellow fever virus may hold key to safer vaccine

In one of the first molecular studies of the human antibody response to yellow fever, Howard Hughes Medical Institute (HHMI) researchers and their colleagues have found the crucial bit of virus that people's immune systems need to spot and quash this often-fatal re-emerging disease. The findings...

Marburg haemorrhagic fever in Angola update

As of 20 April, the Ministry of Health in Angola has reported 266 cases of Marburg haemorrhagic fever. Of these cases, 244 were fatal. In Uige Province, which remains the epicentre of the outbreak, 253 cases, of which 233 have been fatal, were reported as of 21 April. Assessment of the outbreak ...

New bacterium discovered -- related to cause of trench fever

A close cousin of the bacterium that debilitated thousands of World War I soldiers has been isolated at UCSF from a patient who had been on an international vacation. The woman, who has since recovered, suffered from symptoms similar to malaria or typhoid fever, two infections that can occur in re...

Flexible neck in cell-receptor DC-SIGN targets more pathogens

...all cell-receptor protein called DC-SIGN is part of the immune system, and recognizes certain pathogens, including those responsible for Ebola, Dengue fever and HIV. How the molecule binds to pathogens has been unclear. New findings from a research team led by University of Illinois chemist Deborah Leckb...

Research network wins approximately £5.7 million to target human and animal diseases in Africa

... Deadly diseases including plague, Ebola and Rift Valley fever are being targeted as part of a new multi-million pound international partnership involving African researchers and the London International Developme...

Gene expression findings a step toward better classification and treatment of juvenile arthritis

...r subtypes of JIA persistent oligoarthritis (affecting four or fewer joints), polyarthritis (affecting five or more joints), systemic arthritis (with fever and rash and inflammation throughout the body) and enthesitis-related arthritis (affecting the junctions between tendons and bones). Using gene expres...

Midge keeps invasive mosquito in check, aiding native mosquitoes

...Southeast Asia, the Asian tiger mosquito has now spread to Africa, the Americas, Australia, the Caribbean, Europe and the Middle East. Like the yellow fever mosquito ( Aedes aegypti ), another invasive mosquito that is now well established in the Americas, the Asian tiger mosquito can carry several viral d...

Old stain in a new combination

...he saliva of the mosquito enter the human body, reproduce in liver cells and then attack the red blood cells. This causes severe symptoms such as high fever or anemia; children in particular can even fall into a coma. During reproduction in the human body, some parasites develop into special reproductive c...

UCI awarded $45 million for infectious disease research

...d treatment of dengue fever, a mosquito-transmitted viral disease that infects millions worldwide. They also have advanced understanding of why dengue fever can sometimes be fatal, especially among children. Improved detection and treatment of the botulism toxin. Considered one of the most potent, it c...

Visualizing virus replication in three dimensions

... Dengue fever is the most common infectious disease transmitted by mosquitoes some 100 million people around the world are infected. Researchers at the Hygiene Ins...

Gene linked to lupus might explain gender difference in disease risk

...ibuted to sex chromosome genes," Dr. Mohan said. Systemic lupus erythematosus, or lupus for short, causes a wide range of symptoms such as rashes, fever or fatigue that make it difficult to diagnose. The multicenter study involved 759 people who developed lupus as children, 5,337 patients who devel...

AIBS names 2009 emerging public policy leaders

...ocioeconomic factors on the distribution of dengue fever. She is developing a model to identify current and future human populations at risk of dengue fever in Ecuador. This research should help public health policymakers to mitigate and anticipate future epidemics. In addition to work toward her PhD in ...

Researchers examine role of climate change in disease spread

...lines in the past 10 years: West Nile virus, Chikungunya virus, Rift Valley fever virus and Bluetongue virus. "There's no doubt that during the past 50 y...ojects, and livestock trade between Africa and southern Arabia (Rift Valley fever virus); and modern air transport, the availability of compatible mosquito s...

Potential new herpes therapy studied

...gating the new therapy. The work was published in the Journal of Virology in August. The HSV-1 strain of the herpes virus causes cold sores or fever blisters around the mouth, genital herpes, a deadly but rare type of encephalitis, and keratitis, a scarring of the cornea that leads to vision loss. ...

UD research study to shed light on emerging seaborne pathogen

...h the consumption of raw or undercooked seafood, particularly oysters and other mollusks, and crabs. Victims typically suffer from diarrhea, vomiting, fever and chills for a few days, although the infection can be fatal in those with weakened immune systems. "This organism has been around for a long tim...

Global warming linked to European viral epidemic

...V is a hantavirus, a group of viruses known to cause hemorrhagic fevers (fevers combined with bleeding disorders). NE is a relatively mild hemorrhagic fever that causes flu-like symptoms often with renal complications, sometimes also with pulmonary problems, needing Intensive Care treatment, such as acute ...

Nature Medicine study shows Peregrine's bavituximab can cure lethal virus infections

...s of two lethal viruses--cytomegalovirus and Lassa fever virus, a hemorrhagic fever virus that is listed as a class A bioterrorism age...ng avian flu), herpes simplex viruses, hemorrhagic fever viruses, measles and members of the small pox and ...

Plants in forest emit aspirin chemical to deal with stress; discovery may help agriculture

...t also has the potential to give farmers an early warning signal about crops that are failing. "Unlike humans, who are advised to take aspirin as a fever suppressant, plants have the ability to produce their own mix of aspirin-like chemicals, triggering the formation of proteins that boost their biochem...

African-Americans have unique lung cancer risks from chronic obstructive pulmonary disease

... that hay fever, previously shown to be protective among whites, was also protective among African Americans. Specifically, African Americans with hay fever were 44 percent less likely to develop lung cancer, a rate that had been previously seen among whites. African American males have a higher risk o...

Scientists uncover Ebola cell-invasion strategy

...nfects cells a critical step to finding a way to treat the deadly disease produced by the virus. Ebola produces severe and often fatal hemorrhagic fever in its victims and inflicts mortality rates close to 90 percent in some outbreaks. No vaccine or antiviral therapy has been developed against the viru...

Virus weaves itself into the DNA transferred from parents to babies

...e typical roseola syndrome produces several days and up to a week of a high fever and may have variable other symptoms including mild respiratory and gastrointestinal symptoms. With roseola, just as the fever breaks, the child may briefly develop a rash. A congenital infection of HHV...

Research exposes new target for malaria drugs

...ngregate in the vessel-rich placenta (the source of food and oxygen for the growing fetus), creating health problems such as anemia, low birth-weight, fever and more. Targeting these sticky proteins with drugs is difficult, however, as plasmodia contain many different varieties, which they use to evade t...

When our protective armor shows weakness

... of the filaggrin gene, which raise the risk to develop atopic dermatitis more than threefold. In addition, these genetic variations predispose to hay fever and asthma in those with atopic dermatitis. Allergic diseases have increased considerably in the past decades in most industrial countries. A combi...

Recurrence of group B strep high in subsequent pregnancies, say UT Houston obstetricians

...increase a woman's risk of passing GBS to her baby include: labor before 37 weeks, rupture of her amniotic membrane 18 hours or more before delivery, fever during labor, a urinary tract infection as a result of GBS during pregnancy and a previous baby with GBS disease. The CDC recommends routine screen...

Defining DNA differences to track and tackle typhoid

...me, next-generation DNA sequencing technologies have been turned on typhoid fever - a disease that kills 600,000 people each year. The results will help to i... eradicate typhoid as a disease." There are 17 million cases of Typhoid fever each year - although the World Health Organization cautions that this is a ...

Tips from the Journals of the American Society for Microbiology

...s worldwide. Tropical regions are at especially high risk where illness may range from mild symptoms to potentially fatal forms of dengue hemorrhagic fever and dengue shock syndrome. With all four strains of the virus sharing similar clinical presentation, epidemiology, and distribution, development of a...

Best code for disease detection, bar none

... Malaria and dengue fever will be the early targets of new trans-Pacific research using minuscule "barcodes" to detect disease. The University of Queensland (UQ) and the Un...

Monash researcher receives prestigious Commonwealth Health Minister's award

...ournal Science. Remarkably, the work showed that this disease-fighting molecule is also related to deadly bacterial toxins that cause anthrax, scarlet fever and flesh-eating disorders. Professor Whisstock's award builds on a distinguished research career at Monash University, with highlights including a...

Cancer immunotherapy shows long-term promise in lung cancer

...the side-effects of this new strategy are minimal compared to chemotherapy." Most patients only experience mild reactions at the injection site and fever within 24 hours of the injection, he explained. "Therefore, it is suitable for long-term maintenance treatment and for most patients, including older ...