What are the symptoms of dengue and what health impacts does it have globally?
While the majority of infections cause mild flu-like symptoms or are even asymptomatic, some people experience headaches, severe joint pain and even internal bleeding that can lead to death. Globally dengue causes 50-100 million cases a year across over 120 countries. Many of these are concentrated in high profile outbreaks that are difficult to control.
Read the rest of Oliver's Q&A on dengue
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