Search Results for: Virus
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6,285 results for: Virus
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Health & MedicineKill or Be Killed: Tumor protein offs patrolling immune cells
Many human cancers may evade surveillance by exploiting a protein normally found on certain immune cells.
By John Travis -
Health & MedicineVaccine for All? Math model supports mass smallpox inoculation
Vaccinating an entire city in response to a smallpox terrorist attack would save thousands more lives than would quarantining infected people and vaccinating anyone they contacted.
By Nathan Seppa -
Health & MedicineDo-It-Yourself: Virus recreated from synthetic DNA
In an experiment with implications for bioterrorism, scientists have used poliovirus' widely known genetic sequence to synthesize that virus from DNA and other chemicals.
By John Travis -
Health & MedicineDisabled Defense: HIV protein counters immune-cell gene
Immune cells contain a protein that can inhibit HIV replication if the AIDS virus lacks a key protein.
By John Travis -
Health & MedicineFor Failing Hearts: Gene therapy stops decline in animals
Tests in hamsters have raised hopes for creating a gene therapy to stop the common downward spiral of chronic heart failure.
By Susan Milius -
Health & MedicineLab tool may spawn new antiviral drugs
Short strands of RNA can be used to stop viruses such as HIV.
By John Travis -
PlantsDisease outpacing control in largest chestnut patch left
An unusual test of a biological control for the blight that's killing American chestnuts doesn't look good in the largest remaining patch.
By Susan Milius -
Anthrax Stopper: Viral enzyme detects, kills bacterium
A virus that preys upon the anthrax bacterium produces an enzyme that can be exploited to detect and kill the biowarfare agent.
By John Travis -
Health & MedicineSickening Food
If food that was going to leave you with gut-wrenching cramps — or more — tasted sickening, few people would indulge. The problem, of course, is that sickening food can taste quite scrumptious. Foods that look, smell, and taste yummy can still harbor disease-causing pathogens. Mead et al./Emerging Infectious Diseases Indeed, when the hour of […]
By Janet Raloff -
Health & MedicineDrink Those Antioxidants
Mention antioxidants and most people will immediately think of vitamins–typically C and E–usually in the form of mega-dose capsules available at the local drug store. However, a new study finds that many common beverages also deliver a healthy antioxidant serving. R. Savidge These beverages may give some protection against the ravages of oxidizing chemicals that […]
By Janet Raloff -
Health & MedicineGerm-Fighting Germs
Plants and animals arent the only things that get sick. Even pathogenic microbes can succumb to infections. Federal plant pathologists are now looking to capitalize on that phenomenon as a strategy to fight off food poisoning. R. Savidge Though nature seals most fruits and vegetables in germ-resistant peels and rinds, once those outer barriers are […]
By Janet Raloff -
Health & MedicineA Cold Observation about Wine (with recipe)
Show this story to your boss, and she might just offer you a glass or two of wine. After all, downing this beverage–especially the red varieties–appears to help ward off the common cold, according to a new study. Though colds usually arent dire, they remain one of the leading causes of missed days at work. […]
By Janet Raloff