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.
An annuity is simply a series of future cash payments that occur at a regular interval. The payments can be different amounts, but must occur regularly - usually monthly, quarterly, or annually. Everyday examples of annuities include: Mortgage payments ; Life insurance payments ; Pension payments ; Regular savings account deposits ; Some investments ; The value of an annuity can be determined with the help of a concept called the time value of money which states that money loses its value over time.