Chikungunya spread wider this year, say docs; NIV looks for mutations, newer variants of virus The Times of IndiaChikungunya fever: Maharashtra sets up rapid response team, appeals clinicians to send samples to BJMC, NIV The Indian ExpressChennai infant suffers from rare black nose disease. What is it? FirstpostChennai infant diagnosed with Black Nose Disease: What is it, symptoms, treatments CNBCTV18State to check for virus mutation amid chikungunya surge The Times of India