OIE: Highly pathogenic avian influenza(H5N1), Vietnam

Summary

Report type	Follow-up report No. 15
Date of start of the event	14/02/2017
Date of confirmation of the event	15/02/2017
Report date	15/05/2017
Date submitted to OIE	15/05/2017
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	10/2016
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	the whole country
Related reports	Immediate notification (19/02/2017) Follow-up report No. 1 (21/02/2017) Follow-up report No. 2 (23/02/2017) Follow-up report No. 3 (09/03/2017) Follow-up report No. 4 (12/03/2017) Follow-up report No. 5 (22/03/2017) Follow-up report No. 6 (25/03/2017) Follow-up report No. 7 (28/03/2017) Follow-up report No. 8 (07/04/2017) Follow-up report No. 9 (14/04/2017) Follow-up report No. 10 (19/04/2017) Follow-up report No. 11 (26/04/2017) Follow-up report No. 12 (27/04/2017) Follow-up report No. 13 (02/05/2017) Follow-up report No. 14 (04/05/2017) Follow-up report No. 15 (15/05/2017)

New outbreaks (3)

Outbreak 1

Ea Rok, Ea Rok, Ea Sup, DAK LAK

Date of start of the outbreak

29/04/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Backyard

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	1607	500	200	1407	0

Outbreak 2

Duc Xuyen, Duc Xuyen, Krong No, DAK NONG

Date of start of the outbreak

03/05/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Backyard

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	1800	500	250	1550	0

Outbreak 3

Ea Tmot, Ea Tmot, Ea Sup, DAK LAK

Date of start of the outbreak

04/05/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Backyard

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	600	200	100	500	0

Summary of outbreaks

Total outbreaks: 3

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	4007	1200	550	3457	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	29.95%	13.73%	45.83%	100.00%

*Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection

Control measures

Measures applied	Vaccination in response to the outbreak (s) Stamping out Disinfection No treatment of affected animals
Measures to be applied	No other measures

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.