Latest influenza A Stories

2008-04-16 13:35:00

Each winter, strains of influenza A virus infect North Americans, causing an average of 36,000 deaths. Now, researchers say the virus comes from a viral reservoir somewhere in the tropics, settling a key debate on the source of each season's infection."We now know where the influenza A virus comes from every year," said Edward Holmes, professor of biology at Penn State. "And because we now know how the virus evolves, we have a much better chance of controlling it."Currently, there are many...

2008-03-04 12:15:00

The exchange of genetic material between two closely related strains of the influenza A virus may have caused the 1947 and 1951 human flu epidemics, according to biologists. The findings could help explain why some strains cause major pandemics and others lead to seasonal epidemics. Until now, it was believed that while reassortment "“ when human influenza viruses swap genes with influenza viruses that infect birds "“ causes severe pandemics, such as the "ËœSpanish' flu...

2005-11-07 16:30:00

NEW YORK -- During outbreaks of influenza A, treating children with the antiviral drug amantadine is likely to be a cost-effective measure if treatment begins within 48 hours of symptom onset, especially if it allows quicker return to school and parents' return to work, investigators report. For influenza B, oseltamivir is more effective than amantadine. However, rapid testing is usually not a cost-effective option, primarily because of its lack of sensitivity. Oseltamivir (Tamiflu) and...

Word of the Day
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.