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US CDC issues updated bloodstream infection prevention guidelines

The US CDC has released updated guidelines for preventing intravascular catheter-related infections, aiming to eliminate these deadly and costly healthcare-associated infections. The new guide outlines five key prevention strategies based on scientific evidence, which have been proven successful in reducing infections in hospitals.

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·DateApr 1, 2011

An inside look at how the elite control HIV

Research reveals T cells from elite controllers are resistant to HIV infection due to selective upregulation of p21, an enzyme inhibitor. Blocking p21 increases viral gene expression, highlighting potential treatment strategies for vulnerable patients.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 14, 2011

Study finds MRSA danger in gyms may be exaggerated

A recent study published in the American Journal of Infection Control found that community gym surfaces do not appear to be reservoirs for MRSA transmission. The researchers collected 240 samples from three local gyms and found none to be positive for MRSA or MSSA, suggesting that aggressive disinfection programs may not be warranted.

SourceElsevier Health Sciences·JournalAmerican Journal of Infection Control·DateMar 3, 2011

Study confirms 2 vaccine doses protect children from chickenpox

A new study confirms that two doses of the varicella, or chickenpox, vaccine provide excellent protection in children against this highly contagious and, in some cases, severe disease. The study found that the effectiveness of two doses of vaccine was 98.3 percent in protecting against varicella, significantly higher than one dose.

SourceInfectious Diseases Society of America·JournalThe Journal of Infectious Diseases·DateJan 5, 2011

Europe reins in the smoking habit

A study by the Smoking Control Unit of the Catalan Institute of Oncology confirms that Europe's anti-tobacco laws have a direct effect on reducing tobacco consumption and passive smoke exposure. The European Union countries with stricter controls on smoking show lower consumption rates, particularly in the UK, Ireland, Malta, and Sweden.

Workplace asthma costs UK at least $158 million a year

Research published in Thorax estimates that UK workplace asthma costs the country at least £100 million a year, with potentially as high as £135 million. The study reveals that the condition is underdiagnosed and that the employer should bear more responsibility for reducing exposure to agents causing workplace asthma.

SourceBMJ Group·JournalThorax·DateNov 24, 2010

'If chronic diseases are ignored we will sleepwalk into a world where healthy people are a minority and unhealthy children die before their parents'

The NCD Alliance warns that ignoring chronic diseases will lead to a future where healthy people are in the minority, while unhealthy children die before their parents. The alliance calls for effective actions on diet, physical activity, risks, and determinants related to non-communicable diseases.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 10, 2010

Scientists uncover a genetic switch that turns immune responses on and off

Researchers identified a novel negative regulator called eye transformer that controls the flow of information from chemical signals to genes in the cell nucleus. When this regulator is turned off, the JAK/STAT pathway hyper-activates, leading to conditions such as cancer, severe immune deficiencies, and autoimmune diseases.

Mosquito monitoring saves lives and money, analysis finds

Researchers conclude that cutting mosquito surveillance would lead to exponential increases in human cases and health costs. A delayed response can result in drastically escalated costs, with some estimates suggesting a 10-fold increase. The study highlights the need for sustained funding of mosquito surveillance programs.

SourceEmory Health Sciences·JournalPLOS Neglected Tropical Diseases·DateOct 26, 2010

2009 H1N1 pandemic -- what went right and what went wrong?

The 2009 H1N1 pandemic response was a mixed bag, with some key successes like swift international coordination and robust public health measures. However, there were also areas for improvement, such as limited preparedness at national levels and slower vaccine development.

SourcePLOS·JournalPLOS Medicine·DateOct 5, 2010

Study of bloodstream infections reveals inconsistent surveillance methods and reporting

A new study found substantial inconsistencies in how hospitals report catheter-associated bloodstream infections (CA-BSIs) in pediatric intensive care units (PICU). The analysis revealed that more aggressive surveillance efforts can actually lead to higher CA-BSI rates, complicating comparison of infection rates between hospitals.

SourceElsevier Health Sciences·JournalAmerican Journal of Infection Control·DateSep 23, 2010

New analysis weighs lost trade, costs to control invasive species against economic damages

Economists Santanu Roy and Lars J. Olson analyze the balance between controlling invasive species and free trade, finding that some restrictions may be necessary to prevent economic damage while allowing for entry when damages are low. Their study provides a qualitative framework for policymakers to determine optimal response strategies.

SourceSouthern Methodist University·JournalJournal of Environmental Economics and Management·DateAug 23, 2010

Study finds respiratory symptoms more reliable indicator of H1N1, not fever alone

A new study reveals that coughing and other respiratory symptoms are more accurate indicators of H1N1 infection than fever, which can lead to undetected cases. According to the research, nearly half of individuals with mild H1N1 infections may not display fever, highlighting the need for a more comprehensive screening approach.

SourceElsevier Health Sciences·JournalAmerican Journal of Infection Control·DateJul 29, 2010