fruits and vegetables they’re loaded with nutrients, called antioxidants, that are good for you,the three major antioxidant vitamins are beta-carotene, vitamin C, and vitamin E. You’ll find them in colorful fruits and vegetables.
yogurt
garlic
grains oats and barley
tea ,green tea
chicken soup
fish
beef
sweet potatoes
mushrooms
ginger
There are also some measures to boost your immunity such as :
Don’t smoke and alcohol
Eat a diet rich in food mentioned above
Exercise regularly.
take vitamin D from sun ,expose to sun
Maintain a healthy weight.
Control your blood pressure.
Get adequate sleep.
Take steps to avoid infection, such as washing your hands frequently and cooking meats thoroughly.
Get regular medical screening tests for people in your age group and risk category.
