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.
Fish. Eating plenty of seafood can help improve your immune system and help your body defend itself. Fatty fish such as salmon, mackerel and tuna are rich in omega-3 fatty acids, which improve your overall health â including your heart health.Protein found in fish is also good for your body.ish. Eating plenty of seafood can help improve your immune system and help your body defend itself. Fatty fish such as salmon, mackerel and tuna are rich in omega-3 fatty acids, which improve your overall health â including your heart health.