The best foods to fight the flu explained

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By Maria Mercedes Galuppo, Veuer

Flu season is upon us, but eating a variety of certain foods could help you fight the virus.

Boost your immune system and get your dose of vitamin C from citrus fruits (a tastier option than tablets).

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Red bell peppers are great as they provide double the amount of vitamin C than any citrus fruit.

Button mushroom keep your body fighting back any organisms, plus it has selenium which is great for the liver to function.

Increasing the bacteria in your stomach means a larger production of antibodies, fermented foods like yogurts, olives and pickles will help.

RELATED: How the flu vaccine is made

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How the flu vaccine is made
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How the flu vaccine is made
Quality control manager Nina Kotlyarova prepares to check samples for unwanted bacteria as part of the process for making an influenza vaccine at Protein Sciences in Pearl River, N.Y., Tuesday, Aug. 18, 2015. After a limited distribution last season, Protein Sciences Corporation expects to ship 1 million doses of Flublok for this coming flu season. (AP Photo/Seth Wenig)
A bioreactor stands in the production facilities of Protein Sciences in Pearl River, N.Y., Tuesday, Aug. 18, 2015. Protein Sciences is among the companies working on a greater variety of vaccine options for the coming flu season. Flublok, their genetically engineered vaccine, is for people allergic to eggs but approved for anyone 18 or older. (AP Photo/Seth Wenig)
Quality control manager Nina Kotlyarova prepares to check samples for unwanted bacteria as part of the process for making an influenza vaccine at Protein Sciences in Pearl River, N.Y., Tuesday, Aug. 18, 2015. Protein Sciences is among the companies working on additional vaccine options for the coming flu season. Flublok, their genetically engineered vaccine, is for people allergic to eggs but approved for anyone 18 or older. (AP Photo/Seth Wenig)
Protein Sciences CEO Manon Cox speaks to a reporter in Pearl River, N.Y., Tuesday, Aug. 18, 2015. Protein Sciences is among the companies working on more vaccine options for the coming flu season. (AP Photo/Seth Wenig)
A bioreactor, left, stands in the production facilities of Protein Sciences in Pearl River, N.Y., Tuesday, Aug. 18, 2015. Protein Sciences is among the companies working on addational vaccine options for the coming flu season. Flublok, their genetically engineered vaccine, is for people allergic to eggs but approved for anyone 18 or older. (AP Photo/Seth Wenig)
In this Thursday, Feb. 26, 2015 photo, slides of human cells that have been exposed to the flu virus and dyed to bring out the cells fighting the virus are shown on a holder, at the Seattle-King County Dept. of Public Health's laboratory, in Seattle. State health officials say state labs have confirmed at least 120 flu deaths since the season started in September, but only a fraction of those who die from the flu are tested for the virus. (AP Photo/Ted S. Warren)
In this Thursday, Feb. 26, 2015 photo, Paul Swenson, director of the Seattle-King County Dept. of Public Health's laboratory, works under the protective glass of a biological safety cabinet as he exposes human cells to a suspected flu virus taken with a swab from the throat of a sick person, in Seattle. State health officials say state labs have confirmed at least 120 flu deaths since the season started in September, but only a fraction of those who die from the flu are tested for the virus. (AP Photo/Ted S. Warren)
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Oysters have a lot of zinc which helps create and activate white blood cells which help to protect the body against infectious disease and foreign invaders.

Get a lot out of broccoli, it provides antioxidants and vitamins!

Watermelons, sweet potatoes and garlic are very common foods that help fight infections.

Spinach is great specially if eaten raw, and good old chicken soup is high in vitamin B-6 important for the formation of red cells and help fighting antibodies.

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