Prevention of winter baby flu countermeasures: 1, the most simple and effective method: vaccination The biggest characteristic of the flu virus is that it mutates more frequently, so it can not be effectively controlled and cured so far. Therefore, the key to dealing with the flu is prevention, and the easiest and most effective way to prevent it is to get vaccinated against the flu. Babies over 3 years old need only one dose of 0.5 ml, while those under 3 years old need two doses of 0.25 ml each. The best time to get the flu vaccination is from October to December in the northern region, and from October to February in the southern region. It takes 7 to 15 days after the injection to produce protective antibodies, so be sure to take precautions and get vaccinated half a month before the arrival of influenza. 2.Boosting resistance: Breastfeeding and balanced diet Breastfeeding is best for babies under 6 months old, as the natural immune components in breast milk can protect babies through autumn and winter. When you start to add complementary foods and slightly older babies, you should pay special attention to nutritional balance, vegetables, fruits, milk and trace elements necessary for growth and development should be fully consumed, so as to effectively strengthen the baby’s resistance to diseases. At the same time, you can let your baby drink more plain water to increase the elimination of metabolic waste from your baby’s body and prevent colds. 3, timely clothing: pay attention to the warmth do not get cold baby poor ability to protect against cold, kick the quilt at night easy to get cold, parents should pay attention to timely cover the quilt well. Feet are sensitive to temperature, if the feet are cold, it will reflexively cause vasoconstriction of the nasal mucosa, making people vulnerable to the flu virus. Parents should soak the baby’s feet in hot water at night, and add clothes and blankets according to the warmth of the climate and the baby’s physical condition, and take care not to catch a cold.