Small inflatable and plastic pools are typically filled with tap water. Some people in the United States have a disinfectant in their tap water but this is not adequate to kill germs that may get into water used for swimming. Sources of information exist about how to disinfect these pools.
Foods rich in vitamin E and C will boost the immune system, so all types of citrus fruits, strawberries, kiwi, cauliflower, mustard greens, lettuce, turnip, tomatoes, wheat grass and avocados should be consumed regularly by people having a low platelet count.
To increase your platelet count, you need to increase your intake of vitamin C, also known as ascorbic acid. A study published in 1990 in the Japanese Journal of Hematology stated that vitamin C improves platelet count.