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.
One of the best ways to stay healthy is by choosing an array of foods to boost your immune system. Eating healthy, antioxidant-rich foods such as fruits and vegetables, whole grains, and lean protein is an important part of maintaining good immune system health to help ward off infection and illness.
My Top 10 Immune Boosting Foods. Citrus. Citrus such as oranges, mandarins, grapefruit, lemons and limes are an excellent source of vitamin C which helps maintain the bodyâs defence against bacterial infections. Citrus has a unique type of fibre that, in studies, appears to dramatically reduce cholesterol.