Medical research

Deadly tick-borne virus cured with experimental flu drug, in mice

Only a few cases of the newly discovered Bourbon virus have been reported, and two of them ended in death, partly because no specific treatments are available for the tick-borne illness. Now, researchers at Washington University ...

Diseases, Conditions, Syndromes

Zerbaxa approved for hospital-acquired bacterial pneumonia

(HealthDay)—Zerbaxa (ceftolozane and tazobactam) has been approved for a new indication to treat hospital-acquired bacterial pneumonia and ventilator-associated bacterial pneumonia (HABP/VABP) in patients aged 18 years ...

Oncology & Cancer

Pathogens find safe harbor deep in the gastric glands

Scientists have long tried to understand how pathogenic bacteria like Helicobacter pylori, a risk factor for stomach ulcers and cancer, survive in the harsh environment of the stomach. In a new study publishing May 2 in the ...

Diseases, Conditions, Syndromes

Antibiotics: Why asking doctors' to prescribe less is futile

An 85-year-old woman with dementia is admitted to hospital with worsening confusion, new urinary incontinence and constipation. These symptoms suggest a urinary tract infection, but the doctor treating her has a dilemma because ...

Diseases, Conditions, Syndromes

Gut microbe helps thwart Salmonella

Salmonella enterica is the name of a group of rod-shaped bacteria that can cause gastroenteritis in humans and other animals. Salmonella infections can have serious consequences for certain high-risk groups, such as babies, ...

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Infection

An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host's resources to multiply, usually at the expense of the host. The infecting organism, or pathogen, interferes with the normal functioning of the host and can lead to chronic wounds, gangrene, loss of an infected limb, and even death. The host's response to infection is inflammation. Colloquially, a pathogen is usually considered a microscopic organism though the definition is broader, including parasites, fungi, viruses, prions, and viroids. A symbiosis between parasite and host, whereby the relationship is beneficial for the former but detrimental to the latter, is characterised as parasitism. The branch of medicine that focuses on infections and pathogens is infectious disease. "When infection attacks the body, anti-infective drugs can help turn the tide of battle. Four types of anti-infective drugs exist: antibacterial, antiviral, antitubercular, and antifungal. A secondary infection is an infection that occurs during or following treatment of another already existing primary infection.

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