YELLOW FEVER - ' as of [Tue 7 Nov 2017], the case count reached 179 suspected with 38 confirmed, with 3 states reporting confirmed cases and 7 states reporting suspected cases' - Health Resource International West Africa (HRI)

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Monday, 4 December 2017

YELLOW FEVER - ' as of [Tue 7 Nov 2017], the case count reached 179 suspected with 38 confirmed, with 3 states reporting confirmed cases and 7 states reporting suspected cases'

Lest we forget in our clinics and facilities to engage the patients and public on preventing Yellow Fever and other viral epidemics: READ ON

'Communicated by:
ProMED-mail from HealthMap Alerts
<promed@promedmail.org>

[The number of yellow fever (YF) cases and states reporting those cases continue to increase. The previous report stated that as of [Tue 7 Nov 2017], the case count reached 179 suspected with 38
confirmed, with 3 states reporting confirmed cases and 7 states reporting suspected cases. The above report indicates that as of [Tue 21 Nov 2017] the number of suspected cases has grown to 276, with 66 of 133 blood samples positive from 4 states for YF. The earlier report stated that vaccination campaigns were planned. Vaccination is urgent to prevent rapid spread. The Nigeria Centre for Disease Control previously indicated that it deployed a national rapid response team to conduct extensive outbreak investigations and surveillance for acute jaundice syndrome in the country. The above report does not indicate what that team has found. If this is an _Aedes aegypti_ transmitted YF outbreak, that is worrisome because the outbreak could easily get out-of-hand if an aggressive vaccination effort is not initiated.’
A Yellow fever outbreak is currently active in Nigeria with 4 states recording confirmed cases (Kwara, Kogi, Kano, and Zamfara). Kano state is a new state this week.
- However, total of 14 states have reported suspected cases (Abia Borno, Kogi, Kwara, Kebbi, Plateau, Zamfara, Enugu, Oyo, Anambra, Edo Lagos, Kano and Nasarawa States).

- In the reporting week:
- Kano State had one confirmed case among some delayed samples sent from the Kaduna Lab.
- Nasarawa reported one presumptive positive case from Nasarawa LGA.
- IP Dakar confirmed 2 more cases from Yagba East LGA in Kogi State.
- An additional 8 presumptive positive cases from Kogi State were shipped to IP Dakar.

The outbreak started with a case of Yellow fever confirmed in Ifelodun LGA in Kwara State, Nigeria on [Tue 12 Sep 2017].
- The index case was a 7-year-old girl who presented with fever, jaundice and vomiting of blood, with no record of previous vaccination and no history of recent travel.
- As at [Tue 21 Nov 2017], a total of 276 suspected YF cases have been line-listed
- Of these, 133 (48.2 percent) suspected cases had their blood samples collected and sent to the laboratory for confirmation of YF.
- Of the 133 samples collected, 66 (49.6 percent) had tested positive for Yellow fever and one (0.8 percent) inconclusive result in 5 Nigerian laboratories.
- As at [Tue 21 Nov 2017], 30 samples (44.8 percent) samples out of the 67 (positive and inconclusive) samples in Nigeria were confirmed positive by the Dakar Laboratory, 23 (34.3 percent) were negative and 14 (20.9 percent) results are being awaited. Male to female ratio is about 2:1 with 185 (67.0 percent) cases been males for all cases while among the confirmed, 63.3 percent were males
- Predominant age groups affected were 20yrs and below accounting for 65.9 percent
- Total number of deaths (among suspected, probable and confirmed cases) is 45, and 7 among confirmed cases
- Case fatality rate (CFR) for all cases (including suspected, probable and confirmed) is 16.3 percent and 23.3 percent for confirmed cases.’

Africa Center for Clin Gov Research & Patient Safety
@ HRI West Africa Group - HRI WA
Consultants in Clinical Governance Implementation
Publisher: Health and Medical Journals 
8 Amaku Street Housing Estate, Calabar
Cross River State, Nigeria
Phone No. +234 (0) 8063600642


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