Neuraminidase inhibitors are effective against all variants that have caused disease in humans, including the virus of the 1918 pandemic (Tumpey 2005). In human H5N1 influenza, treatment with an oral neuraminidase inhibitor, oseltamivir, seems to be effective in some cases, but may fail in others.
A: An equity-indexed annuity is an alternative investment to a traditional fixed rate or variable rate annuity, and it may be appealing to moderately conservative investors. Equity-indexed annuities are distinguished by the interest yield return being partially based on an equities index, such as the S&P 500 index.
04/06/2011. An indexed annuity is a type of contract between you and an insurance company. During the accumulation period â when you make either a lump sum payment or a series of payments â the insurance company credits you with a return that is based on changes in a securities index, such as the S&P 500 Composite Stock Price Index. Indexed annuity contracts also provide that the contract value will be no less than a specified minimum, regardless of index performance.