Zambia (02): (Northern) cattle, serotype A, OIE

Report type: immediate notification
Date of start of the event: 17 Sep 2018
Date of confirmation of the event: 21 Jan 2019
Reason for notification: recurrence of a listed disease
Date of previous occurrence: 1990
Manifestation of disease: clinical disease
Causal agent: foot-and-mouth disease virus
Serotype: A
Nature of diagnosis: clinical, laboratory (advanced)
This event pertains to a defined zone within the country.

New outbreaks (2)
Outbreak 1: Central Veterinary Camp, Mpulungu, Northern
Date of start of the outbreak: 17 Sep 2018
Outbreak status: resolved 31 Dec 2018
Epidemiological unit: other
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of / Slaughtered
Cattle / 1455 / 2 / 0 / 0 / 2
Affected population: Illegally introduced animals into the area.

Outbreak 2: Mbala Central Veterinary Camp, Mbala District, Northern
Date of start of the outbreak: 2 Oct 2018
Outbreak status: continuing (or date resolved not provided)
Epidemiological unit: other
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of / Slaughtered
Cattle / 3348 / 280 / 0 / 0 / 0
Affected population: Illegally introduced animals into the area.

Summary of outbreaks:
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of / Slaughtered
Cattle / 4803 / 282 / 0 / 0 / 2

Outbreak statistics [rates apparent, expressed as percentages]
Species / Morbidity rate / Mortality rate / Case fatality rate / Proportion susceptible animals lost*
Cattle / 5.87 / 0 / 0 / 0.04
*Removed from the susceptible population through death, destruction, and/or slaughter

Epidemiology
Source of the outbreak(s) or origin of infection: Introduction of new live animals, illegal movement of animals, contact with infected animal(s) at grazing/watering
Epidemiological comments: Animals were illegally introduced into the area.

Control measures
Measures applied: movement control inside the country; vaccination in response to the outbreak(s); surveillance outside containment and/or protection zone; surveillance within containment and/or protection zone; traceability; slaughter; no treatment of affected animals
Measures to be applied: vaccination in response to the outbreak(s)

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Pirbright Institute (OIE Reference Laboratory) / cattle / gene sequencing / 21 Jan 2019 / Positive

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