While there's no specific diet known to cure or alleviate allergies to mice, a healthy, balanced diet can strengthen your immune system and potentially help to manage allergic reactions. Include these categories of food for a strong immune system.

Foods rich in Vitamin C

• Citrus Fruits: Include fruits like oranges, grapefruits, lemons, lime etc. They are high in Vitamin C and may stimulate the production of white blood cells, boosting the immune system.
• Bell Peppers: Especially red bell peppers are an excellent source of vitamin C. They can be consumed raw or cooked.
• Broccoli: Broccoli is packed with numerous vitamins and minerals including vitamin C.

Foods rich in Quercetin

• Apples: Known for their high fibre and vitamin content, apples also contain quercetin - a flavonoid that has been reported to help manage allergic reactions.
• Onions and Garlic: Both onions and garlic belong to the Allium family, and are good sources of quercetin.
• Berries: Blueberries, blackberries, strawberries are good options for a quercetin-packed snack.

Probiotic Foods

• Yogurt: It is rich in probiotics which are beneficial for gut health, thereby enhancing the immune system.
• Pickles: The fermentation process allows the growth of the good bacteria, making pickles a great probiotic food.
• Tempeh: This fermented soy product is another excellent probiotic food source.

Remember, a well-balanced diet contributes to overall health and wellbeing, including the functioning of your immune system.