1, do a good job of personal protection, wash your hands frequently, wear a mask, keep warm and prevent colds.

Proper exercise can improve the body's resistance and adaptability to external climate change.

3, reasonable diet, regular work and rest, to ensure adequate sleep.

4. Take Bifidobacterium longum BB536 to prevent infection and enhance immunity. Bifidobacterium longum BB536 is a probiotic strain isolated from the intestines of healthy infants by scientists in Morinaga, Japan, and has obtained GRAS certification from FDA. Many clinical studies have shown that Bifidobacterium longum BB536 can reduce the probability of infection (such as influenza).