What is the Chikungunya Virus?
Chikungunya is a mosquito-borne viral disease spread by the bites of Aedes aegypti and Aedes albopictus mosquitoes. These mosquitoes are also known to spread dengue and Zika viruses. The main symptoms of this disease include high fever, unbearable joint pain, muscle pain, headache, fatigue, and skin rashes. In some cases, it can also be fatal, especially for people with weakened immunity.
Where is the Greatest Risk?
According to the WHO report, cases of chikungunya are increasing rapidly in areas such as Réunion Island, Mayotte, and Mauritius. An estimated one-third of the population in Réunion Island has been affected by this virus. Due to global warming, the tiger mosquito (Aedes albopictus) is now reaching northern regions, causing the virus to spread to new areas.
Why is it a Concern?
WHO experts say that the symptoms of chikungunya are similar to other viruses like dengue and Zika, making diagnosis challenging. Furthermore, in areas with low immunity, this virus can rapidly affect up to three-quarters of the population. Currently, there is no specific vaccine or cure for this virus, making prevention the only recourse.
Situation in India
Large-scale cases of chikungunya have not yet emerged in India, but the Ministry of Health has instructed states to remain vigilant and increase surveillance. Particular caution has been advised in areas with a high mosquito infestation.