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A key toxin associated with whooping cough helps the germs resist the human immune system and infect vaccinated populations. Discovery of this resistance mechanism could lead to potential new treatm ...


Oral polio vaccine ( OPV ), one of the vaccines instrumental in driving the disease to near-eradication, contains weakened live virus strains. The vaccine is highly effective, easy to administer, rel ...


Researchers have discovered that drugs, such as heartburn medications, which reduce gastric acidity, are potential risk factors for Clostridium difficile infection outside of hospitals. The resear ...


Researchers at the International Centre for Genetic Engineering and Biotechnology ( ICGEB ) in India and a unit of the European Molecular Biology Laboratory ( EMBL ) in France have made a key discover ...


Researchers led by the University of Manchester have cracked the gene code behind a key family of fungi, which includes both the leading cause of death in leukaemia and bone marrow transplant patients ...


A study found that an extremely infectious pneumonia-like disease in humans slips through the immune system's usual defense mechanisms. The bacterium at fault, Francisella tularensis, causes the di ...


A research estimates that about 2 million people carry a strain of drug-resistant bacteria in their noses. The research, conducted by the Centers for Disease Control and Prevention ( CDC ), is the ...


Records from four European countries show that, on average, survivors of generations with rampant childhood infection - measured by cohort mortality rates at young ages - were shorter and died sooner ...


Researchers at University of California - San Diego ( UCSD ) have discovered that the single-cell parasite responsible for an estimated 1 million deaths per year worldwide from malaria has protein "wi ...


Researchers at the University of Pennsylvania have demonstrated that Morphine withdrawal complicates hepatitis C by suppressing IFN-alpha-mediated immunity and enhancing virus replication. The pape ...


An avian influenza virus isolated from an infected Vietnamese girl has been determined to be resistant to the drug Oseltamivir ( Tamiflu ). Researchers from the University of Wisconsin-Madison, wor ...


The Chlamydiae learned to parasitize eukaryotic cells half a billion years ago by reprogramming cellular functions from within. In humans today, chlamydial infections are responsible for a range of a ...


Researchers at Howard Hughes Medical Institute ( HHMI ) have identified a gene that enables mycobacteria -- the cause of tuberculosis and leprosy -- to form biofilms. Bacterial biofilms help mycobac ...


Researchers have found evidence of resistance to Artemisinin malaria drugs in French Guiana and Senegal, reporting their findings in The Lancet. This decreased sensitivity may pave the way to treatme ...


Farmers, veterinarians and meat processors who routinely come into contact with pigs in their jobs have a markedly increased risk of infection with flu viruses that infect pigs. While the findings ...