21.   Healthy adults usually recover within four days to a week.

22.   If you are unlucky enough to get that one egg, and you are a healthy adult, you are risking symptoms much like a stomach flu.

23.   In a more typical season, they predicted, vaccinating healthy working adults would certainly prevent many from becoming ill but might not result in any economic advantage.

24.   In healthy adults, the vaccine did no apparent harm, and stimulated the body to make high levels of infection-fighting antibodies.

25.   In most states, healthy adults of working age are eligible for Medicaid only if they have children.

26.   It causes short-term symptoms such as fever, headache, stiffness, nausea and diarrhea in healthy adults.

27.   It depicts the various food groups and the number of recommended servings of each per day to be consumed by a healthy adult who wants to remain that way.

28.   Made by Aviron, a biopharmaceutical firm in Mountain View, Calif., the nasal vaccine will be tested in healthy working adults this fall.

29.   Most of the adverse reactions have included seizures, heart attacks, strokes and high blood pressure and have occurred in both young and middle-aged healthy adults.

30.   Normally, the virus causes only minor flu-like symptoms in healthy adults.