As researchers continue to work toward vaccines for serious tropical diseases such as dengue fever, experts caution in a new report that such vaccines will probably cause temporary but significant spikes in the disease in the years after they are first used.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8lYMYL3Tfuc/140905090853.htm
Use of dengue vaccine may cause short-term spikes in its prevalence
5 septiembre 2014
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