Life expectancy rates climbed, because doctors and scientists developed effective ways to prevent or treat diseases such as tuberculosis, typhoid,diphtheria,and influenza.

VOA: special.2010.12.02

You also know that there's some vaccines that are not yet available, for diseases that we would very much like to prevent.

你们知道现在还有一些疫苗,仍没有研制出来,都是针对那些亟需预防的疾病的

耶鲁公开课 - 生物医学工程探索课程节选

Experts say the best way to prevent the diseases carried by mosquitoes is not to be bitten by one.

VOA: special.2009.05.26

The GAVI Alliance says almost two million children a year die from diseases that vaccines can prevent.

VOA: special.2011.06.15

That means these children will not die of these diseases,5.4 million, and we hope to prevent 4.2 million premature deaths by keeping immunization rates high over the next five years for basic immunization and rolling out vaccines against pneumonia and rotavirus diarrhea."

VOA: special.2010.09.15

The practice includes developing and testing new vaccines and drugs that might prevent or cure potentially-fatal human diseases.

VOA: standard.2010.02.16

Bennett says clean drinking water is the next big concern, especially to prevent an outbreak of diseases such as diarrhea or cholera.

VOA: standard.2010.08.02

Exersize helps prevent obesity and diseases associated with sedentary lifestyles and excess weight.

VOA: standard.2010.02.26

"It would be unethical for us to turn our back on these people and not conduct the research that is so desperately needed to develop the drugs to treat these diseases and the vaccines to prevent them in the future."

VOA: standard.2010.02.16