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.
Eat a variety of fruits and vegetables to keep your immune system going strong. Photo Credit Jupiterimages/Creatas/Getty Images. Getting enough vitamins and minerals will support your immune system to help fight off colds, flu and other illnesses.The best way to get enough immune-boosting nutrients is to eat a wide variety of vegetables.at a variety of fruits and vegetables to keep your immune system going strong. Photo Credit Jupiterimages/Creatas/Getty Images. Getting enough vitamins and minerals will support your immune system to help fight off colds, flu and other illnesses.