Executive Summary:
The Ministry of Health and Family Welfare addressed concerns regarding the rise of vector-borne diseases in India. While overall cases of Dengue and Chikungunya decreased compared to 2024, some states/UTs experienced marginal increases. The government is implementing preventive measures and collaborating with state and local bodies to control the spread of these diseases, especially during the monsoon season. Data till June 2025 is included.
Key Points / Main Content:
* **Disease Prevalence:**
* Dengue and Chikungunya cases decreased nationally in 2025 (till June) compared to 2024, but marginally increased in some states/UTs.
* Malaria (till May) and Kala Azar (till June) cases marginally increased in some states/UTs due to enhanced surveillance and paperless reporting via IHIP.
* Japanese Encephalitis cases remained stable.
* State/UT-wise details of vector-borne disease cases are in Annexure 1.
* State-wise details of Dengue cases and deaths (April-June 2025) are in Annexure 2.
* **Preventive and Containment Measures (NVBDCP):**
* Administered by the National Center for Vector Borne Diseases Control (NCVBDC).
* Includes: Malaria, Japanese Encephalitis, Dengue, Chikungunya, Kala Azar, and Lymphatic Filariasis.
* The Ministry, Directorate General of Health Services, and NCVBDC are actively monitoring and reviewing the situation.
* Implemented before and during monsoon season.
* **Specific Actions:**
* Early case detection through surveillance, complete treatment, and strengthened referral services.
* Integrated Vector Management: Indoor Residual Spray, insecticide-treated nets, larvivorous fish, anti-larval measures.
* Regular monitoring, supportive interventions, behavior change communication, and inter-sectoral convergence.
* Real-time monitoring through the Integrated Health Information Portal (IHIP).
* Supply of drugs and diagnostics to states/UTs.
* Annual Mass Drug Administration for Lymphatic Filariasis.
* Introduction of indigenous Japanese Encephalitis vaccines.
* Joint review of the Dengue situation by the Ministry of Health and Family Welfare and the Ministry of Housing and Urban Affairs held on July 2nd, 2025.
* **Emergency Resources:**
* Ensured adequate stocks of diagnostic kits and drugs.
* Budgetary support to states/UTs under the National Health Mission.
Impact Analysis:
* **State Health Departments:**
* *Impact:* Responsible for implementing the National Vector Borne Diseases Control Programme (NVBDCP) and reporting data on the Integrated Health Information Portal (IHIP).
* *Action Required:* Implement preventive and containment measures, participate in surveillance activities, ensure adequate treatment facilities, and utilize provided resources.
* **Urban Local Bodies:**
* *Impact:* Involved in improving sanitation and mosquito control in urban areas.
* *Action Required:* Implement anti-larval measures, improve sanitation, and participate in awareness campaigns.
* **Citizens:**
* *Impact:* Affected by the prevalence and control of vector-borne diseases.
* *Action Required:* Take preventive measures like using mosquito nets and maintaining clean surroundings, seek early diagnosis and treatment.
* **Ministry of Health and Family Welfare:**
* *Impact:* Oversees the NVBDCP and monitors the vector-borne disease situation across the country.
* *Action Required:* Continue monitoring the situation, provide support to states/UTs, and coordinate with other ministries.
Key Entities Referenced
Ministry of Health and Family Welfare: The Union ministry responsible for health and family welfare in India, overseeing national health programs and policies.
National Vector Borne Diseases Control Programme (NVBDCP): An umbrella program administered by the National Center for Vector Borne Diseases Control (NCVBDC) under the Ministry of Health and Family Welfare for the prevention and control of vector-borne diseases.
National Center for Vector Borne Diseases Control (NCVBDC): A center under the Ministry of Health and Family Welfare that administers the National Vector Borne Diseases Control Programme (NVBDCP).
Dengue: A vector-borne disease monitored and controlled under the National Vector Borne Diseases Control Programme (NVBDCP).
Chikungunya: A vector-borne disease monitored and controlled under the National Vector Borne Diseases Control Programme (NVBDCP).
Malaria: A vector-borne disease monitored and controlled under the National Vector Borne Diseases Control Programme (NVBDCP).
Japanese Encephalitis: A vector-borne disease monitored and controlled under the National Vector Borne Diseases Control Programme (NVBDCP).
Integrated Health Information Platform (IHIP): A platform used for enhanced surveillance and paperless reporting of vector-borne diseases.
GOVERNMENTOFINDIA
MINISTRYOFHEALTH AND FAMILYWELFARE
DEPARTMENTOFHEALTH AND FAMILYWELFARE
LOK SABHA
UNSTARREDQUESTION NO. 934
TO BE ANSWERED ON25.07.2025
RISING CASES OFVECTOR BORNEDISEASES
934: Ms.SJOTHIMANI:
Will the Ministerof HEALTH AND FAMILYWELFAREbe pleasedtostate:
(a) whether there has been a rise in dengue, chikungunya and other vector-borne diseases
across various States during the current monsoon season and if so, the details thereof,
States/UT-wise;
(b) the number of dengue cases and related deaths reported during the last three months,
month-wise, States/UTs-wise;
(c) the preventive and containment measures being implemented by the Government to
address the surge in cases, especially in high-incidence urban areas;
(d) whether the Government is collaborating with State health departments and urban local
bodies to improve sanitation, mosquito control and awareness in the country and if so, the
details thereof; and
(e) whether there are any emergency funds/resources allocated to tackle the outbreak and
prevent further spread in the country and if so, the details thereof?
ANSWER
THE MINISTER OFSTATE INTHEMINISTRYOFHEALTHAND FAMILY
WELFARE
(SMT.ANUPRIYAPATEL)
(a): Although across the country, the total number of cases of Dengue & Chikungunya has
decreased in 2025 (till June) as compared to corresponding period in 2024 but cases marginally
increasedinsomeoftheStates/UTs.
Cases of other vector-borne diseases like Malaria (till May) and Kala-Azar (till June) marginally
increased in some of the States/UTs due to enhanced surveillance & paperless reporting on
Integrated Health Information Platform(IHIP) in 2025 as compared to corresponding period in
2024. Notably, there is no increase in number of Japanese Encephalitis cases in 2025 (till June) as
comparedtocorrespondingperiodin2024.
State/UTwisedetailsofnumberofVector Bornediseasecases isattachedat Annexure-1.
(b) State-wise details of numberof dengue cases andrelateddeathsreportedduring the last
three months(April-June, 2025) are attached at Annexure-2.
(c) & (d): The National Center for Vector Borne Diseases Control (NCVBDC) under the Ministry
of Healthand Family Welfareadministersan umbrella programme, namely, National VectorBorneDiseases Control Programme (NVBDCP) for prevention and control of vector borne diseases
namelyMalaria, JapaneseEncephalitis,Dengue,Chikungunya,Kala-azarandLymphaticFilariasis.
The Ministry of Health and Family Welfare, Directorate General of Health Services and
National Center for Vector Borne Diseases Control (NCVBDC) are regularly monitoring the surge
of Vector Borne Diseases in the country through regular reviews and reports submitted by the
States/UTsandthroughfieldvisits.
As the risk of Vector Borne Diseases increases during monsoon and post monsoon period,
Government of India (GoI) starts preparatory activities well before the monsoon season and
following preventive & containment measures are being undertaken to prevent and control the
surgeincasesofVectorBorneDiseases intheCountry,especiallyinhigh-incidenceurbanareas:
Disease Management involving early case detection with active, passive and sentinel
surveillance followed by complete and effective treatment, strengthening of referral
services,epidemic preparednessandrapidresponse.
IntegratedVector Managementincluding IndoorResidual Spray inselectedhigh-riskareas,
Long LastingInsecticidal Netsin highmalaria endemic areas, use of larvivorousfish, anti-
larval measures in urban areas including bio-larvicides and minor environmental
engineeringandsourcereduction forpreventionofbreeding.
Regular Monitoring & Supervision, Supportive Interventions aiming at Behaviour Change
Communication, Inter-Sectoral Convergence including high-level advocacy with allied
ministries, Human Resource Development through capacity building and policy
development.
For real time monitoring, States/UTs have been trained to enter the data on Integrated
HealthInformationPortal–VectorBorne Diseases(IHIP-VBD)portal.
For early diagnosis andcomplete treatment ofVBDs, drugs and diagnosticsaresupplied to
theStates/UTs.
AnnualMassDrugAdministrationinmissionmodeforLymphaticFilariasisandMorbidity
Management and Disability Prevention kit distribution for rehabilitative and self-care
servicesforthelymphedemacases.
Indigenous Japanese Encephalitis vaccines have been introduced for routine immunization
inendemicareas.
Secretary, Ministry of Health and Family Welfare and Secretary, Ministry of Housing and
Urban Affairs,jointly reviewed Dengue situation and preparedness in major municipal
corporationsfrom nine States inInter-ministerialmeeting heldon 2ndJuly,2025.
(e) In order to tackle any outbreaks and to prevent further spread, the Government ensures
adequate stocks of diagnostic kits and drugs across the country. Further, Under National Health
Mission, adequate budgetary support is being provided to all States/UTs under the annual
ProgramImplementation Plantotacklethe outbreakandprevent further spread.Annexure-1
State/UTwisedetailsofincrease innumberofVectorBornediseasecasesin2025(tillJune)as
comparedtothe correspondingperiodof2024(tillJune)
*TillMay
S. State Malaria* Kala-azar Dengue Chikungunya Japanese
N Encephalitis
o. 2024 2025 202 2025 20 2025 2024 2025 2024 2025
4 24
1 AndhraPradesh 1463 3231 Noincrease 1437 2244
Noincrease Noincrease Noincrease
2 ArunachalPradesh Nonendemic
3 Assam 214 1242 Noincrease Noincrease
4 Bihar 185 261 Noincrease Noincrease 4 153
5 Chhattisgarh 10116 10339 Noincrease 12 43
6 Goa 44 67 Noincrease Noincrease
7 Gujarat Noincrease Nonendemic Noincrease Noincrease
8 Haryana Noincrease 69 73 189 319
9 HimachalPradesh 1 4 12 23 35 45
10 Jharkhand 9933 11271 78 121 76 112 1609 1631
11 Karnataka 141 148 Noincrease Noincrease
12 Kerala 234 349 Noincrease Noincrease
13 MadhyaPradesh Noincrease Noincrease Noincrease
14 Meghalaya Noincrease Noincrease Noincrease
15 Maharashtra Noincrease Noincrease 14495 17283
16 Manipur Noincrease 64 70 Noincrease
17 Mizoram Noincrease 228 239 Noincrease
18 Nagaland 1 9 Nonendemic 4 7 Noincrease
19 Odisha 12363 24472 Noincrease 0 29
20 Punjab 15 33 Noincrease 396 1824 Noincrease
21 Rajasthan Noincrease Noincrease 89 173
22 Sikkim 2 3 59 81 Noincrease
23 TamilNadu 70 77 4778 8558 1310 1612
24 Tripura Noincrease Noincrease Noincrease
25 Telangana 70 74 Noincrease 170 1588
26 UttarPradesh 774 983 Noincrease 315 594 112 119
27 Uttarakhand 30 45 Nonendemic 0 146 123 208
28 WestBengal Noincrease 14 15 441 NR 762 NR
Andaman&Nicobar Noincrease
29 24 204 0 8
Islands
30 Chandigarh Noincrease Noincrease Noincrease
31 Delhi 54 57 Noincrease Noincrease
Noincrease Noincrease
32 Dadra&NagarHaveli
31 34
Nonendemic
33 Daman&Diu 16 26 Noincrease
17 21
34 Jammu&Kashmir Noincrease Noincrease
34 Ladakh 2 3 Nonendemic Noincrease
35 Lakshadweep Noincrease Noincrease 70 223
36 Puducherry Noincrease Noincrease Noincrease
NR=NotreportedAnnexure-2
State-wisedetailsofDenguecasesanddeathsreportedfromApriltoJuneduring2025(Provisional)
Sl.No.
Name oftheState Cases Deaths
1 AndhraPradesh 376 1
2 ArunachalPradesh 1 0
3 Assam 94 0
4 Bihar 85 0
5 Chhattisgarh 87 0
6 Goa 20 0
7 Gujarat 305 0
8 Haryana 60 0
9 HimachalPradesh 17 0
10 Jharkhand 53 0
11 Karnataka 1480 0
12 Kerala 3871 16
13 MadhyaPradesh 111 0
14 Meghalaya 11 0
15 Maharashtra 1345 0
16 Manipur 20 0
17 Mizoram 141 0
18 Nagaland 7 0
19 Odisha 158 0
20 Punjab 101 0
21 Rajasthan 293 0
22 Sikkim 42 0
23 TamilNadu 3023 2
24 Tripura 83 0
25 Telangana 433 0
26 UttarPradesh 289 0
27 Uttarakhand 146 0
28 WestBengal NR NR
29 A&NIsland 111 0
30 Chandigarh 0 0
31 Delhi 175 0
Dadra&NagarHaveli 0 0
32
Daman&Diu 14 0
33 Jammu & Kashmir 9 0
34 Ladakh Nonendemic
35 Lakshadweep 17 0
36 Puducherry 74 0
Total 13052 19
NR=Notreported