Doctors are seeing more dengue and chikungunya cases in the city. "The irregular rainfall has to be blamed for this. We see many fever cases than the usual ones," said a senior doctor at a government hospital. Apart from dengue, the doctor says they are also seeing viral fever that is similar to dengue. "When tested, such fever shows negative for dengue, so we treat it as viral fever," he adds.
Dr Sivamurugan, orthopaedic surgeon of Soundarapandian Bone and
Chikungunya virus is transmitted by _Aedes aegypti_ and _Aedes albopictus_ mosquitoes during daytime. Viral fever with upper respiratory infection and joint pain should be tested immediately, say doctors.
When contacted, a senior health official said the corporation had intensified its anti-mosquito operations to reduce the incidence of dengue and chikungunya cases in the city. "Fogging is being carried out to prevent breeding of _Aedes aegypti_ mosquitoes. We are also educating people to clean water containers," the official said, denying chikungunya cases in the city.
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There have been scattered outbreaks of chikungunya virus infections in several localities around
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