Intermittent rains raise fears of spike in malaria and dengue cases in Dakshina Kannada

“But these intermittent rains in recent days are conducive to the spread of these vector-borne diseases”

“But these intermittent rains in recent days are conducive to the spread of these vector-borne diseases”

Although dengue fever and malaria cases are no longer alarming in Dakshina Kannada, intermittent rains in Mangaluru and other parts of the district have raised concerns about the likely increase in cases.

Malaria parasitic infection is caused by the infectious bite of Anopheles mosquito while Dengue virus infection is caused by the bite of Aedes aegypti mosquito. These two mosquitoes breed in fresh water. While the Anopheles mosquito bites at dusk, the Aedes bites during the day.

From January to April 15 this year, Dakshina Kannada reported 38 cases of dengue fever and 33 cases of malaria. As many as 295 dengue fever and 689 malaria cases were reported in 2021. There were 239 and 1397 dengue fever and malaria cases respectively in 2020.

The District Health and Family Welfare Officer, Mr Kishore Kumar, said there had been no increase in dengue fever and malaria cases so far. “But these intermittent rains over the past few days are conducive to the spread of these vector-borne diseases,” he said.

Dr Kumar said multipurpose workers and other health personnel were continuing the vector source reduction exercise. This is done alongside testing of blood samples, more so in locations identified as high-risk areas. Health personnel also ensure that people who test positive for these diseases receive the necessary treatments.

Health workers ensure that construction workers who may be infected use bed nets and mosquito repellent, he said.

Naveenchandra Kulal, district vector-borne disease control officer, said 45 health workers have been deployed over the past three years for source reduction, testing, case management and other disease prevention exercises. malaria. “It is their dedicated work that has significantly rolled back malaria,” he said.

The intermittent rains, Dr Kulal said, raise more concerns about dengue infection among construction workers and students, who come from other parts of the state to Mangaluru. “There is a need for people to come forward for testing and follow staff instructions to destroy vector breeding sources in homes,” he said.

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