National Vector Borne Disease Control Programme (NVBDCP)

The National Vector Borne Disease Control Programme (NVBDCP) focuses on prevention and control of vector-borne diseases such as Malaria, Dengue, Chikungunya, Japanese Encephalitis, Filaria and Leptospirosis through surveillance, early diagnosis, treatment and vector control activities across Tamil Nadu.

Malaria

In Tamil Nadu, malaria cases are mainly confined to urban, coastal and riverine areas including Chennai Corporation, Ramanathapuram, Paramakudi, Thoothukudi, Kanyakumari, Krishnagiri, Dharmapuri and Tiruvannamalai districts.

Malaria screening is available in all PHCs and Government hospitals.
All fever cases are screened through Active and Passive Case Detection.
Blood smears are examined within 24 hours.
Radical treatment is initiated within 48 hours if malaria is confirmed.

5444

Malaria Cases (2017)

3758

Malaria Cases (2018)

The goal under the 12th Five Year Plan is to reduce the Annual Parasitic Incidence (API) to less than 1 across all districts.

Dengue

Dengue fever is transmitted by Aedes aegypti mosquitoes and is commonly found in urban areas due to water storage practices and improper waste management.

30 Sentinel Surveillance Hospitals identified for diagnosis.
King Institute of Preventive Medicine acts as the Apex Laboratory.
Anti-larval measures are conducted regularly.
Source reduction activities eliminate mosquito breeding sites.

23294

Dengue Cases (2017)

4486

Dengue Cases (2018)

Traditional herbal medicines such as Nilavembu Kudineer, Malaivembu Kudineer and Papaya leaf extract are also used along with conventional treatment for dengue management.

Chikungunya

Chikungunya is a viral disease transmitted by Aedes mosquitoes. Prevention and control measures are integrated with dengue control activities.

131

Cases Reported (2017)

284

Cases Reported (2018)

Japanese Encephalitis (JE)

Japanese Encephalitis is a mosquito-borne viral disease transmitted by Culex mosquitoes. Pigs and wild birds act as amplifier hosts in the transmission cycle.

Endemic Districts:

Perambalur
Villupuram
Cuddalore
Tiruvannamalai
Virudhunagar
Tiruchirapalli
Thanjavur
Tiruvarur
Madurai
Pudukottai
Karur
Thiruvallur

JE vaccination using SA 14-14-2 vaccine has been implemented since 2007 for children aged 1-15 years in endemic districts.

127

JE Cases (2017)

Deaths (2017)

147

JE Cases (2018)

Deaths (2018)

Filaria

The National Filaria Control Programme has been implemented in Tamil Nadu since 1957. There are 14 endemic districts including Kancheepuram, Tiruvallur, Vellore, Cuddalore, Villupuram, Trichy, Perambalur, Pudukkottai, Tiruvannamalai, Thanjavur, Tiruvarur, Ariyalur, Nagapattinam and Kanyakumari.

25 Filaria Control Units operate in endemic districts.
Night Clinics and Filaria Clinics provide treatment services.
Mass Drug Administration (MDA) programme started in 1997-98.
Drugs distributed include DEC and Albendazole.

Financial assistance of ₹400 is provided to LF Grade-IV patients and Hydrocelectomy surgeries are conducted for affected patients.

Leptospirosis

Leptospirosis is a zoonotic disease requiring early diagnosis and treatment. Surveillance activities are conducted across districts to detect outbreaks early.

Leptospirosis clinics operate in Tiruvallur and Madurai districts.
IgM ELISA kits are used for screening fever cases.
Zonal Entomological Teams and IVCZ Hosur conduct outbreak investigations.

693

Cases Reported (2013)

Deaths

National Health Mission – Tamil Nadu

National Vector Borne Disease Control Programme (NVBDCP)