“Our study showed that infants who receive several vaccines concurrently…are significantly more likely to be hospitalized or die when compared with infants who receive fewer vaccines simultaneously,” he writes. “It also showed that reported adverse effects were more likely to lead to hospitalization or death in younger infants.”
In infants receiving five or more vaccines concurrently, 5.4% of reported reactions were fatal, compared with 3.6% in those receiving four or fewer, the study shows.