Singapore Issues Advisory On Dengvaxia Dengue Vaccine

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Singapore Healthcare professionals have been advised not to administer a dengue vaccine to patients who have not been previously infected by the virus.

The Health Sciences Authority (HSA) report to Channel News Asia on Wednesday that it has issued an advisory to doctors on the latest findings of Dengvaxia, which is produced by French pharmaceutical giant Sanofi Pasteur.

Sanofi said in late November that a new analysis based on six years’ worth of clinical trial data showed Dengvaxia could worsen symptoms for those not previously infected with dengue.

The analysis “confirmed that Dengvaxia provides persistent protective benefit against dengue fever in those who had a prior infection”, the alert.