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Climate change may affect length of respiratory infection season
February 10, 2006Rising global temperatures over the past two decades may be responsible for a shortened season of a serious respiratory illness in the United Kingdom, according to an article in the March 1 issue of Clinical Infectious Diseases, now available online.
Respiratory syncytial virus (RSV) can cause particularly severe lower respiratory tract infections in infants and young children, sometimes resulting in pneumonia. Like the flu, RSV has a seasonal pattern, infecting the majority of people during autumn and winter.
Author Gavin Donaldson, PhD, of the University College London, examined the relationship between the RSV season and the rise in temperatures in central England from 1981 to 2004, and found that the RSV season ended earlier each year as temperatures increased. The illness season-measured by laboratory isolation of RSV and emergency room admissions due to RSV-was shortened by about three weeks per degree Celsius rise in annual mean daily temperature.
The link between respiratory disease and temperature is mysterious. "People know that there is a relationship, but don't know what's causing it," Dr. Donaldson said. Staying indoors in chilly weather might result in a higher infection rate due to our close proximity to other people. Cold air might enhance viruses' survival or affect our bodies' ability to fight off infection. "It is known that as the temperature gets colder, a lot of respiratory infections increase... There must be some link with the temperature or the season to explain precisely why this is happening," Dr. Donaldson said. However, he added, "there's no clear evidence of what the mechanism is, nor has it been shown that other respiratory illness seasons, like influenza's, have shortened due to climate change."
Global warming seems to be increasing the number of infections from other organisms, such as those that lead to food poisoning, like Salmonella and Campylobacter, Dr. Donaldson said. If global temperatures continue to rise, scientists may yet learn how much of a correlation exists between a changing climate and our health.
Infectious Diseases Society of America
The link between respiratory disease and temperature is mysterious. "People know that there is a relationship, but don't know what's causing it," Dr. Donaldson said. Staying indoors in chilly weather might result in a higher infection rate due to our close proximity to other people. Cold air might enhance viruses' survival or affect our bodies' ability to fight off infection. "It is known that as the temperature gets colder, a lot of respiratory infections increase... There must be some link with the temperature or the season to explain precisely why this is happening," Dr. Donaldson said. However, he added, "there's no clear evidence of what the mechanism is, nor has it been shown that other respiratory illness seasons, like influenza's, have shortened due to climate change."
Global warming seems to be increasing the number of infections from other organisms, such as those that lead to food poisoning, like Salmonella and Campylobacter, Dr. Donaldson said. If global temperatures continue to rise, scientists may yet learn how much of a correlation exists between a changing climate and our health.
Infectious Diseases Society of America
Respiratory Infection Current Events and Respiratory Infection News RSSMultiple health concerns surface as winter, vitamin D deficiences arrive
A string of recent discoveries about the multiple health benefits of vitamin D has renewed interest in this multi-purpose nutrient, increased awareness of the huge numbers of people who are deficient in it, spurred research and even led to an appreciation of it as "nature's antibiotic."
MedImmune to present data on RSV and influenza at 2009 AAP National Conference and Exhibition
MedImmune announced today it will present four abstracts at the American Academy of Pediatrics (AAP) 2009 National Conference & Exhibition that add to the company's growing body of research on the burden of respiratory syncytial virus (RSV) on children, as well as pediatric infectious disease prevention.
Patients with chronic rhinosinusitis have increased incidence of other chronic illnesses
Patients who suffer from chronic rhinosinusitis (CRS) also tend to suffer from other chronic illnesses, like asthma, hypertension, and arthritis.
Low birth weight linked to long-term respiratory problems
Infants who weigh less than five and a half pounds at birth often enter the world with a host of medical complications, including respiratory problems.
UTSA infectious disease researchers advancing vaccine against Valley fever
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 called Valley Fever, which is caused by the Coccidioides fungus.
Sodium channel blocker shows promise as a potential treatment for cystic fibrosis
Cystic fibrosis patients may benefit from a new therapy that increases airway hydration, preventing the buildup of mucous, which is a key factor in the disease, according to researchers at Parion Sciences in Durham, N.C.
MedImmune presents new data showing burden of RSV disease
MedImmune today announced results from a recent study it sponsored, performed by the Kaiser Permanente Division of Research in Oakland, CA, assessing risk factors for respiratory syncytial virus (RSV) infection requiring medical treatment in infants born at 33 weeks gestational age [GA] or later.
Gene Associated with Reduced Mortality from Acute Lung Injury
Researchers at National Jewish Health and the University of Colorado Denver have discovered a gene that is associated with improved survival among patients with acute lung injury.
Common cold virus came from birds
A virus that causes cold-like symptoms in humans originated in birds and may have crossed the species barrier around 200 years ago, according to an article published in the December issue of the Journal of General Virology. Scientists hope their findings will help us understand how potentially deadly viruses emerge in humans.
A card-swipe for medical tests
University of Utah scientists successfully created a sensitive prototype device that could test for dozens or even hundreds of diseases simultaneously by acting like a credit card-swipe machine to scan a card loaded with microscopic blood, saliva or urine samples.
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