The World Health Organization (WHO) has issued an urgent warning that a major chikungunya virus epidemic could sweep around the globe if immediate action is not taken.
- WHO says early warning signs mirror those seen before a major outbreak two decades ago.
- Urges prevention measures now to avoid a repeat.
- Chikungunya is a mosquito-borne viral disease causing fever and severe, often debilitating joint pain.
- Can be deadly in some cases.
