Write a healthy paragraph.

Situation 1: ① Vaccination of newborn babies is an important means to enhance their immunity, which has long been popularized in the whole society. Immunity is an important condition for a person's health. If he has strong immunity, he may resist the invasion of various external germs.

Situation 2: ① In society? In the development of society, people will inevitably be influenced by various external thoughts, so improving immunity is an important factor for healthy growth in this soil of society. One can't always blame one's fault on the influence of bad outside style. Where is your own immunity? (reasonable)