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Costa Rica - 1 outbreak of Newcastle disease in birds in a rural community in Guanacaste province (OIE, April 28, 2015)
Costa Rica - 1 outbreak of Newcastle disease in birds in a rural community in Guanacaste province (OIE, April 28, 2015)
Newcastle disease,
Costa Rica
Information received on 28/04/2015 from Dr Bernardo J?en Hern?ndez, Director General, Servicio Nacional de Salud Animal (SENASA), Ministerio de Agricultura y Ganader?a, BARREAL DE HEREDIA, Costa Rica
Summary
Report type
Immediate notification
Date of start of the event
01/02/2015
Date of confirmation of the event
26/04/2015
Report date
28/04/2015
Date submitted to OIE
28/04/2015
Reason for notification
Reoccurrence of a listed disease
Date of previous occurrence
1990
Manifestation of disease
Clinical disease
Causal agent
Newcastle disease virus (Paramyxovirus)
Nature of diagnosis
Clinical, Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)
Outbreak 1
Bella Vista, Santa Cecilia, La Cruz, GUANACASTE
Date of start of the outbreak
01/02/2015
Outbreak status
Resolved (28/04/2015)
Epidemiological unit
Backyard
Affected animals
Species
Susceptible
Cases
Deaths
Destroyed
Slaughtered
Birds
84
71
65
19
0
Affected population
A backyard population in a rural area difficult to access near the northern border of the country.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Destroyed
Slaughtered
Birds
84
71
65
19
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
84.52%
77.38%
91.55%
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
On 22 April 2015, an unusual mortality was reported in birds in a rural community. On 24 April, this information was followed up and samples were sent to the laboratory on 25 April; diagnosis was confirmed on 26 April. There are only backyard birds in the area; it is an area with very bad access and communication means surrounded by forest and where animals roam freely.
Control measures
Measures applied
Stamping out
Quarantine
Movement control inside the country
Disinfection of infected premises/establishment(s)
No vaccination
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
National Veterinary Services Laboratory (National laboratory)
Birds
nucleotide sequencing
26/04/2015
Positive
National Veterinary Services Laboratory (National laboratory)
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