Kenya: 2019 Rift Valley Fever

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Source: https://www.standardmedia.co.ke/heal...ft-fever-cases

Test show more Rift fever cases in Nyandarua
Mercy Kahenda Posted on: 12th Feb 2019 00:00:00 GMT +0300

Two more cases of Rift Valley fever have been reported in the county.

Tests conducted at the Kenya Medical Research Institute laboratory in Nairobi last week confirmed that two people had contracted the zoonotic viral disease.

Health Chief Officer Joram Muraya said by yesterday, samples from two other people suspected to be suffering from the disease had been sent to Government laboratories for analysis.

The two cases are from Rurii village in Ol Kalou sub-county, where the first infections were reported last week...

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Rift Valley fever, Kenya

Information received on 28/02/2019 from Dr Obadiah Nyaga Njagi, Director of Veterinary Services, Directorate of Veterinary Services, State Department of Livestock, Ministry of Agriculture, Livestock and Fisheries, NAIROBI, Kenya

Summary Report type Immediate notification Date of start of the event 25/01/2019 Date of confirmation of the event 27/02/2019 Report date 28/02/2019 Date submitted to OIE 28/02/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 30/07/2018 Manifestation of disease Clinical disease Causal agent Rift valley fever virus Nature of diagnosis Laboratory (basic) This event pertains to the whole country

New outbreaks (2)

Outbreak 1 Kihingo, Murang'A Date of start of the outbreak 25/01/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Cattle 160 4 0 0 0

Outbreak 2 Shamata, Nyandarua Date of start of the outbreak 25/02/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Cattle 70 4 0 0 0 Sheep 140 1 0 0 0

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Cattle 230 8 0 0 0 Sheep 140 1 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Cattle 3.48% 0.00% 0.00% 0.00% Sheep 0.71% 0.00% 0.00% 0.00% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Contact with infected animal(s) at grazing/watering Vectors Epidemiological comments Cattle was the primary species affected. This can be attributed to a high ratio of cattle relative to other species. Abortions were recorded in all stages of gestation.

Control measures Measures applied Movement control inside the country Vaccination in response to the outbreak (s) Quarantine Disinfection Ante and post-mortem inspections No treatment of affected animals Measures to be applied Vector surveillance

Diagnostic test results Laboratory name and type Species Test Test date Result Central veterinary laboratory, Kabete (National laboratory) Cattle IgM-capture ELISA 27/02/2019 Positive Central veterinary laboratory, Kabete (National laboratory) Sheep IgM-capture ELISA 27/02/2019 Positive

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

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=29714