Disclaimer: Data is sourced from the World Health Organization (WHO) and the U.S. Centers for Disease Control and Prevention (CDC)

Historical NiV Data

Complete record of all documented Nipah virus (NiV) outbreaks since the first identification in 1998. Browse 43 outbreaks across 5 countries.

43
Total Outbreaks
877
Total Cases
505
Total Deaths
57.6%
Avg. Fatality Rate
5
Countries Affected
Sort by:
Showing 43 of 43 outbreaks
2026 (2)2025 (5)2024 (3)2023 (2)2022 (1)2021 (2)2020 (1)2019 (2)2018 (2)2017 (1)2016 (1)2015 (1)2014 (2)2013 (1)2012 (1)2011 (1)2010 (1)2009 (1)2008 (1)2007 (2)2005 (1)2004 (3)2003 (1)2001 (2)1999 (2)1998 (1)

2026(2 outbreaks)

BangladeshActive

Rajshahi Division

Started: Jan 21, 2026

ID: NIP-2026-BD-001

Source: Under investigation

1
Cases
0
Deaths
0%
CFR
IndiaActive

West Bengal State

Started: Jan 13, 2026

ID: NIP-2026-IN-001

Source: Under investigation

2
Cases
0
Deaths
0%
CFR

2025(5 outbreaks)

IndiaHistorical

Kerala

Started: May 17, 2025 - Ended: Jun 16, 2025

ID: NIP-2025-IN-001

Source: Under investigation

4
Cases
2
Deaths
5000%
CFR
BangladeshHistorical

Rajshahi

Started: Jan 1, 2025 - Ended: Mar 31, 2025

ID: NIP-2025-BD-003

Source: Under investigation

5
Cases
4
Deaths
8000%
CFR
BangladeshHistorical

Rajshahi

Started: Jan 1, 2025 - Ended: Jan 31, 2025

ID: NIP-2025-BD-001

Source: Under investigation

2
Cases
2
Deaths
10000%
CFR
BangladeshHistorical

Dhaka

Started: Jan 1, 2025 - Ended: Jan 31, 2025

ID: NIP-2025-BD-002

Source: Under investigation

1
Cases
1
Deaths
10000%
CFR
BangladeshHistorical

Barisal

Started: Jan 1, 2025 - Ended: Jan 31, 2025

ID: NIP-2025-BD-004

Source: Under investigation

1
Cases
1
Deaths
10000%
CFR

2024(3 outbreaks)

IndiaHistorical

Kerala, Malappuram

Started: Jul 14, 2024 - Ended: Jul 21, 2024

ID: NIP-2024-IN-001

Source: Under investigation

1
Cases
1
Deaths
10000%
CFR
BangladeshHistorical

Dhaka

Started: Jan 1, 2024 - Ended: Jan 31, 2024

ID: NIP-2024-BD-001

Source: Under investigation

2
Cases
2
Deaths
10000%
CFR
BangladeshHistorical

Manikganj

Started: Jan 1, 2024 - Ended: Mar 31, 2024

ID: NIP-2024-BD-002

Source: Under investigation

14
Cases
10
Deaths
7143%
CFR

2023(2 outbreaks)

IndiaHistorical

Kerala, Kozhikode

Started: Sep 12, 2023 - Ended: Oct 15, 2023

ID: NIP-2023-IN-001

Source: Under investigation

6
Cases
2
Deaths
3333%
CFR
BangladeshHistorical

Dhaka

Started: Jan 15, 2023 - Ended: Mar 31, 2023

ID: NIP-2023-BD-001

Source: Under investigation

11
Cases
8
Deaths
7273%
CFR

2022(1 outbreak)

BangladeshHistorical

Sylhet

Started: Jan 1, 2022 - Ended: Mar 31, 2022

ID: NIP-2022-BD-001

Source: Under investigation

5
Cases
3
Deaths
6000%
CFR

2021(2 outbreaks)

IndiaHistorical

Kerala, Kozhikode

Started: Sep 5, 2021 - Ended: Sep 15, 2021

ID: NIP-2021-IN-001

Source: Under investigation

1
Cases
1
Deaths
10000%
CFR
BangladeshHistorical

Natore

Started: Jan 1, 2021 - Ended: Mar 31, 2021

ID: NIP-2021-BD-001

Source: Under investigation

3
Cases
3
Deaths
10000%
CFR

2020(1 outbreak)

BangladeshHistorical

Rajshahi

Started: Jan 1, 2020 - Ended: Mar 31, 2020

ID: NIP-2020-BD-001

Source: Under investigation

8
Cases
5
Deaths
6250%
CFR

2019(2 outbreaks)

IndiaHistorical

Kerala, Ernakulam

Started: Jun 1, 2019 - Ended: Jun 30, 2019

ID: NIP-2019-IN-001

Source: Under investigation

1
Cases
0
Deaths
0%
CFR
BangladeshHistorical

Chapainawabganj

Started: Jan 1, 2019 - Ended: Mar 31, 2019

ID: NIP-2019-BD-001

Source: Under investigation

4
Cases
4
Deaths
10000%
CFR

2018(2 outbreaks)

IndiaHistorical

Kerala, Kozhikode

Started: May 19, 2018 - Ended: Jun 10, 2018

ID: NIP-2018-IN-001

Source: Under investigation

19
Cases
17
Deaths
8947%
CFR
BangladeshHistorical

Kushtia

Started: Feb 1, 2018 - Ended: Mar 31, 2018

ID: NIP-2018-BD-001

Source: Under investigation

7
Cases
5
Deaths
7143%
CFR

2017(1 outbreak)

BangladeshHistorical

Rangpur

Started: Jan 1, 2017 - Ended: Mar 31, 2017

ID: NIP-2017-BD-001

Source: Under investigation

3
Cases
3
Deaths
10000%
CFR

2016(1 outbreak)

BangladeshHistorical

Rajshahi

Started: Jan 1, 2016 - Ended: Mar 31, 2016

ID: NIP-2016-BD-001

Source: Under investigation

6
Cases
4
Deaths
6667%
CFR

2015(1 outbreak)

BangladeshHistorical

Nilphamari

Started: Jan 1, 2015 - Ended: Mar 31, 2015

ID: NIP-2015-BD-001

Source: Under investigation

9
Cases
6
Deaths
6667%
CFR

2014(2 outbreaks)

PhilippinesHistorical

Mindanao, South Cotabato

Started: Apr 1, 2014 - Ended: May 31, 2014

ID: NIP-2014-PH-001

Source: Under investigation

17
Cases
9
Deaths
5294%
CFR
BangladeshHistorical

Manikganj

Started: Jan 1, 2014 - Ended: Mar 31, 2014

ID: NIP-2014-BD-001

Source: Under investigation

18
Cases
9
Deaths
5000%
CFR

2013(1 outbreak)

BangladeshHistorical

Gaibandha

Started: Jan 1, 2013 - Ended: Apr 30, 2013

ID: NIP-2013-BD-001

Source: Under investigation

24
Cases
21
Deaths
8750%
CFR

2012(1 outbreak)

BangladeshHistorical

Joypurhat

Started: Jan 1, 2012 - Ended: Mar 31, 2012

ID: NIP-2012-BD-001

Source: Under investigation

12
Cases
10
Deaths
8333%
CFR

2011(1 outbreak)

BangladeshHistorical

Lalmonirhat

Started: Jan 15, 2011 - Ended: Mar 31, 2011

ID: NIP-2011-BD-001

Source: Under investigation

44
Cases
40
Deaths
9091%
CFR

2010(1 outbreak)

BangladeshHistorical

Faridpur

Started: Jan 1, 2010 - Ended: Mar 31, 2010

ID: NIP-2010-BD-001

Source: Under investigation

16
Cases
14
Deaths
8750%
CFR

2009(1 outbreak)

BangladeshHistorical

Rajbari

Started: Jan 1, 2009 - Ended: Mar 31, 2009

ID: NIP-2009-BD-001

Source: Under investigation

4
Cases
1
Deaths
2500%
CFR

2008(1 outbreak)

BangladeshHistorical

Manikganj

Started: Feb 1, 2008 - Ended: Mar 31, 2008

ID: NIP-2008-BD-001

Source: Under investigation

11
Cases
8
Deaths
7273%
CFR

2007(2 outbreaks)

IndiaHistorical

West Bengal, Nadia

Started: Apr 1, 2007 - Ended: Apr 30, 2007

ID: NIP-2007-IN-001

Source: Under investigation

5
Cases
5
Deaths
10000%
CFR
BangladeshHistorical

Thakurgaon

Started: Jan 1, 2007 - Ended: Mar 31, 2007

ID: NIP-2007-BD-001

Source: Under investigation

18
Cases
9
Deaths
5000%
CFR

2005(1 outbreak)

BangladeshHistorical

Tangail

Started: Jan 11, 2005 - Ended: Feb 28, 2005

ID: NIP-2005-BD-001

Source: Under investigation

12
Cases
11
Deaths
9167%
CFR

2004(3 outbreaks)

BangladeshHistorical

Faridpur district

Started: Apr 20, 2004 - Ended: May 20, 2004

ID: NIP-2004-BD-003

Source: Under investigation

18
Cases
18
Deaths
10000%
CFR
BangladeshHistorical

Manikganj

Started: Jan 4, 2004 - Ended: Feb 3, 2004

ID: NIP-2004-BD-002

Source: Under investigation

35
Cases
10
Deaths
2857%
CFR
BangladeshHistorical

Rajbari

Started: Jan 1, 2004 - Ended: Mar 31, 2004

ID: NIP-2004-BD-001

Source: Under investigation

67
Cases
50
Deaths
7463%
CFR

2003(1 outbreak)

BangladeshHistorical

Naogaon

Started: Jan 1, 2003 - Ended: Feb 28, 2003

ID: NIP-2003-BD-001

Source: Under investigation

12
Cases
8
Deaths
6667%
CFR

2001(2 outbreaks)

BangladeshHistorical

Meherpur

Started: Apr 1, 2001 - Ended: May 31, 2001

ID: NIP-2001-BD-001

Source: Under investigation

13
Cases
9
Deaths
6923%
CFR
IndiaHistorical

West Bengal, Siliguri

Started: Jan 31, 2001 - Ended: Feb 23, 2001

ID: NIP-2001-IN-001

Source: Under investigation

66
Cases
45
Deaths
6818%
CFR

1999(2 outbreaks)

SingaporeHistorical

Singapore

Started: Mar 10, 1999 - Ended: Mar 19, 1999

ID: NIP-1999-SG-001

Source: Under investigation

11
Cases
1
Deaths
909%
CFR
MalaysiaHistorical

Negeri Sembilan, Seremban

Started: Jan 15, 1999 - Ended: Apr 30, 1999

ID: NIP-1999-MY-001

Source: Under investigation

93
Cases
38
Deaths
4086%
CFR

1998(1 outbreak)

MalaysiaHistorical

Perak, Ipoh

Started: Sep 29, 1998 - Ended: May 31, 1999

ID: NIP-1998-MY-001

Source: Under investigation

265
Cases
105
Deaths
3962%
CFR
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