A. Early symptoms of the illness are much like the flu. After a short time (in some cases a day or two), more severe pneumonia-like symptoms may appear. Not all individuals with Legionnaires' disease experience the same symptoms. Some may have only flu-like symptoms, but to others the disease can be fatal.
2) Foods High in Vitamin E. Like vitamin C, vitamin E is a powerful antioxidant. Research suggests maintaining ample levels of vitamin E is crucial for maintaining a healthy immune system, especially among older people. To get your fill of vitamin E, look to these foods: wheat germ oil.
Garlic strengthens the immune system as well as helps to fight chest infections, coughs and congestion. In the winter months garlic is a great food to boost your immune system and ward off colds and flu. An old folk remedy is to eat a clove of garlic that has been dipped in honey at the first sign of a cold.