The study also found that many people do not know about the problem. And, the researchers say many people believe antibiotics are effective against viral infections. The organization says this misunderstanding causes antibiotics to be used even when they will not work. The resulting overuse can cause resistance._____________________研究也发现许多人并未意识到这个问题,研究人员称许多人相信抗生素对抗击病毒感染有效.世卫组织称这种误解使人们在抗生素不起效时仍然在使用,结果是过度用药产生了耐药性.______________________