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.
A deferred annuity would better be defined as a category of annuities rather than a type of annuity. All annuities can be categorized as either deferred or immediate. When income payments are scheduled to begin is the determining factor as to which category an annuity belongs. There are many different types of annuities that fall underneath the broader deferred annuity category. A deferred annuity has two phases: the accumulation phase, where you let your money grow for a period of time, and the payout phase.