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New Dengue Vaccine Could Worsen Disease in Some People





Drugmaker Sanofi says that its dengue vaccine, the world’s first, should only be given to people who have previously been sickened by the virus, according to new long-term data.

In a statement, Sanofi said it had recently examined six years of patient data. Scientists concluded that while the vaccine protects people against further infection if they’ve already been infected with dengue, that’s not the case for people who haven’t previously been sickened by the disease.

“For those not previously infected by dengue virus…the analysis found that in the longer term, more cases of severe disease could occur following vaccination,” Sanofi read more >>>

Source:: VOANews.Com

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