Because malaria parasites are far more complex than disease-causing viruses and bacteria for which vaccines now exist, malaria vaccines may never carry the same clout as, say, measles or polio shots, which protect more than 90 percent of recipients who co
Because malaria parasites are far more complex than disease-causing viruses and bacteria for which vaccines now exist, malaria vaccines may never carry the same clout as, say, measles or polio shots, which protect more than 90 percent of recipients who co
因为疟疾寄生虫远比致病的病毒与细菌复杂，而现有的疫苗也都是针对病毒与细菌，因此疟疾疫苗也许永远无法像麻疹或小儿麻痹疫苗那样，只要打完所有建议的剂量后，接种的人90%以上就可以受到保护。