Can one vaccine protect against all four dengue virus strains? How do countries prevent tax treaty abuse? And why are ...

Dengue, chikungunya and malaria often begin with similar symptoms during the monsoon, but they are very different illnesses ...

India has approved its first dengue vaccine. Doctors explain who can get it, how well it works, who should avoid it and why ...

Do mosquitoes really prefer certain blood types? Experts say factors like carbon dioxide, body heat and skin odour matter far ...