Information received on 11/10/2019 from Dr. Juan Gay Gutiérrez, Director General de Salud Animal, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria (SENASICA), Secretaría de Agricultura y Desarrollo Rural (SADER), Ciudad de Mexico, Mexico
Summary
Report type
Follow-up report No. 9
Date of start of the event
06/03/2019
Date of confirmation of the event
10/03/2019
Report date
11/10/2019
Date submitted to OIE
11/10/2019
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
18/04/2018
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H7N3
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (01/04/2019)
Follow-up report No. 1 (16/04/2019)
Follow-up report No. 2 (26/04/2019)
Follow-up report No. 3 (17/05/2019)
Follow-up report No. 4 (04/06/2019)
Follow-up report No. 5 (19/06/2019)
Follow-up report No. 6 (08/07/2019)
Follow-up report No. 7 (26/07/2019)
Follow-up report No. 8 (06/09/2019)
Follow-up report No. 9 (11/10/2019)
New outbreaks (6)

Outbreak 1
Lagos de Moreno, Jalisco
Date of start of the outbreak
18/09/2019
Outbreak status
Resolved (21/09/2019)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
1169
416
416
753
0
Affected population
Backyard with 1,169 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death).
Outbreak 2
Encarnación de Díaz, Jalisco
Date of start of the outbreak
18/09/2019
Outbreak status
Resolved (21/09/2019)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
645
100
53
592
0
Affected population
Backyard with 645 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death).
Outbreak 3
Lagos de Moreno, Jalisco
Date of start of the outbreak
18/09/2019
Outbreak status
Resolved (21/09/2019)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
452
40
39
413
0
Affected population
Backyard with 452 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death).
Outbreak 4
Lagos de Moreno, Jalisco
Date of start of the outbreak
21/09/2019
Outbreak status
Resolved (28/09/2019)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
1855
305
305
1550
0
Affected population
Backyard with 1,855 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death).
Outbreak 5
Lagos de Moreno, Jalisco
Date of start of the outbreak
25/09/2019
Outbreak status
Resolved (29/09/2019)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
318
26
26
292
0
Affected population
Backyard with 318 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death).
Outbreak 6
Lagos de Moreno, Jalisco
Date of start of the outbreak
25/09/2019
Outbreak status
Resolved (29/09/2019)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
358
41
41
317
0
Affected population
Backyard with 358 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death).
Summary of outbreaks
Total outbreaks: 6
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
4797
928
880
3917
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
19.35%
18.34%
94.83%
100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive
Epidemiological comments
A high mortality was reported in six backyards in the State of Jalisco (five in Lagos de Moreno and one in Encarnación de Díaz). In all six outbreaks, virus isolation was achieved and quarantine was implemented. The culling of all birds, and the disposal of carcasses, products and waste were completed. The State of Jalisco has a sanitary condition with low prevalence and the vaccine against the H7N3 avian influenza virus is applied, following prior authorization from SENASICA. Moreover, in the outbreak in Ezequiel Montes, Querétaro, the culling of all birds, and the disposal of carcasses, products and waste were completed and the IPIV title (2.84) was obtained.

Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Quarantine
Official disposal of carcasses, by-products and waste
Stamping out
Slaughter
Vaccination permitted (if a vaccine exists)
No treatment of affected animals
Measures to be applied
Disinfection
Ante and post-mortem inspections

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