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.
The bone broth in chicken soup contains collagen, which can help boost your immune system, in addition to amino acids and nutrients that help prevent inflammation. Chicken soup's illness-fighting ability is thought to be related to cysteine, an amino acid released from chicken during cooking.
Add foods to your diet that enhance the immune system. These include all fruits and vegetables, which is rich in vitamins, minerals and nutrients in general. Garlic and ginger also increase white cell count and may also help fight opportunist infections that take advantage of a compromised immune system.