The best time for immunization is in October or November. Protection provided by the vaccine lasts about four to six months. The influenza season in the U.S. ends in March, so one properly timed immunization is usually effective. It requires only a single dose of vaccine. For more information, see the Center for Disease Control .
Most people are familiar with diabetes as a sugar disorder.
The body lacks enough of the hormone insulin to fully use sugar in the diet. However, this is only one aspect of the disease. Diabetes also effects the blood vessels, kidneys and nerves. There are several types of diabetes. Type 2 diabetes occurs with increased frequency in elderly patients.