The World Health Organization says the first-ever dengue vaccine needs to be dealt with in “a much safer way,” meaning that the shot should mostly be given to people who have previously been infected with the disease.
In November, the dengue vaccine manufacturer, Sanofi Pasteur, said people who had never been sickened by dengue before were at risk of developing a more serious disease after getting the shot.
After a two-day meeting this week, WHO’s independent vaccines group said it now had proof the vaccine should only be used “exclusively or almost exclusively in people who have . . .
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