Sanofi's announcement last month that its Dengvaxia dengue vaccine may worsen the illness in vaccinated individuals who have not previously had dengue infection raised concerns about use of the vaccine. While Sanofi is advising caution in administering its product, Takeda Pharmaceutical Co. Ltd. has designed its candidate vaccine with the goal to have it be effective regardless of prior exposure.
The Pink Sheet spoke with Derek Wallace, the head of Takeda's global dengue program, about what impact the findings might have on the development of Takeda's dengue vaccine candidate TAK-003, which like Dengvaxia is a live-attenuated tetravalent vaccine