Preventive medicine is composed by three levels, i.e. primary prevention, secondary prevention and tertiary prevention.

The sentence "The medical profession currently focuses on disease prevention." is not as concise as the sentence "The current focus of the medical profession is disease prevention."

Treatment is better than prevention.

Screening<br/>programs belong to ( ) A: primordial<br/>prevention B: primary<br/>prevention C: secondary<br/>prevention D: tertiary<br/>prevention

‎Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.‎

Unit9-The Health Education Council is the central agency for __________information about disease prevention.

disease prevention

Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization. A: 正确 B: 错误

未雨绸缪,防患于未然。? Prevention|Repair the window before it rains.|Prevention first.|Repair the window after it rains.

在PubMed中检索肺癌的预防或治疗的相关文献，检索策略应为 A: Lung cancer AND Prevention AND therapy B: Prevention OR therapy AND Lung cancer C: Prevention AND therapy OR Lung cancer D: Lung cancer AND Prevention OR therapy