Chad - Yellow Fever 2022

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Chad: Yellow fever vaccination campaign continues in Melfi

Published on 18.01.2022 at 10:55 a.m. by journaldutchad.com


A yellow fever vaccination caravan was launched on January 15, 2022 in Melfi, Guéra province. It is an initiative of the National Nomadic Health Program of the Ministry of Public Health.

This vaccination campaign follows the detection of a few positive cases of yellow fever in the department of Garada, health district of Melfi. To prevent the disease from prospering, the Ministry in charge of Health, via its delegation, deemed it useful to have the populations of the district vaccinated. 122,362 people for this operation. Administrative and health authorities took part in the launching ceremony.

The prefect of the department of Garada has already received his dose. He appreciates the mobilization of the population who take part in the collective efforts to eradicate yellow fever from Chad. 400 people were mobilized to identify, raise awareness and vaccinate every person aged 9 months to 60 years for this campaign.

For Dr Anigué Iré Diane, provincial health delegate of Guéra, “a vaccinated person is equal to a protected person”. He invites all the inhabitants to get vaccinated.


It should be noted that children under the age of 9 are not affected by this vaccination campaign against yellow fever.

https://www.journaldutchad.com/tchad-la-campagne-de-vaccination-contre-la-fievre-jaune-se-poursuit-a-melfi/

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Chad: a vaccination campaign against yellow fever in Guera

Alwihda Info | By Saleh Hassan Rahma - July 8, 2022


After a case of yellow fever disease detected in the Katalok health center, the Ministry of Public Health and National Solidarity launched a vaccination campaign against yellow fever, in the sub-prefecture of Niergui, department of Guera.

The head doctor of the health district of Niergui, Dr Doumansem Mbaikoutou Angèle, specified that the objective is the eradication of yellow fever.

She asked the population to come out massively so that everyone, aged 9 months to 60 years old, had their dose.

Souleymane Zeni, commander of the Niergui area, representing the sub-prefect, urged health officials to do their job well, so that the Niergui area is covered.

The vaccination campaign will run for a week.

https://www.alwihdainfo.com/Tchad-une-campagne-de-vaccination-contre-la-fievre-jaune-au-Guera_a114994.html

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WEEKLY BULLETIN ON OUTBREAKS
AND OTHER EMERGENCIES

Week 27: 27 June - 3 July 2022
Data as reported by: 17:00; 3 July 2022
...
All events currently being monitored by WHO AFRO
...

Chad Yellow fever Grade 2

Date notified to WCO 13-Nov-21
Start of reporting period 01-Nov-21
End of reporting period 28-Jun-22

Total cases Cases 1 524
Cases Confirmed 24
Deaths 7
CFR 0.5%

On 13 November 2021, the Institut Pasteur in Dakar confirmed two samples from Mandoul district, Chad, positive for yellow fever by polymerase chain reaction (PCR). Six were IgM positive with cross-reactions with other flaviviruses, and six other IgM positive without cross-reactions. As of 28 June 2022, there has been 1 524 suspected cases of yellow fever reported in Chad, including 24 probable and 24 confirmed cases with seven deaths (CFR 0.5%). Of good news, there has been a decrease in the number of cases over the past ten weeks. Mandoul and Moyen Chari provinces are the current hotspots, for having reported 45% and 32% of confirmed cases, respectively. A total of 19/126 districts in 7/23 provinces have been affected since the beginning of the outbreak.

https://apps.who.int/iris/bitstream/handle/10665/359281/OEW27-270603072022.pdf

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WEEKLY BULLETIN ON OUTBREAKS
AND OTHER EMERGENCIES

Week 29: 11 - 17 July 2022
Data as reported by: 17:00; 17 July 2022
...

Yellow fever Chad

48 cases
7 Deaths
14.6% CFR

EVENT DESCRIPTION

Chad has been experiencing a yellow fever (YF) outbreak since a
case was confirmed in November 2021, although probable cases
have been recorded since May 2021. Between May 2021 and 30 June
2022, a total of 48 cases (of which 44 cases (92.0% were reported in
2021) have been reported, including 24 confirmed and 24 probable
cases.

Of the confirmed and probable cases reported, 27 are males (56.3%);
the median age is 24 years, with a range of 1 to 56 years. These
cases were mostly reported in the southern and central part of the
country including Mandoul (10), Moyen Chari (8), Tandjile (3), Guera
(2), and Logone Oriental (1) regions.

Five deaths were reported among confirmed cases and two deaths
among probable cases, accounting for an overall case fatality rate
(CFR) of 14.6%. The last confirmed case had symptom onset on 26
January 2022 while the last probable case had symptom onset on 5
May 2022. Previous YF outbreaks were reported in 2009 and 2012 in
areas bordering South Sudan.

PUBLIC HEALTH ACTIONS

A national coordination unit is coordinating the response. Joint
investigations have been conducted by Ministry of health and
other stakeholders.

A first reactive campaign was conducted between 19 and 30
January 2022 targeting 1 117 848 persons with a coverage
of more than 100%. For this first campaign, seven districts
in Mandoul were included (Goundi, Koumra, Bourna, Badeya,
Bejondo, Moissala, and Bekourou) as well as one district from
Guera (Melfi).

A second reactive campaign is planned starting in July 2022,
targeting 918 980 in nine districts from four regions including
Moyen Chari (Koumogou, Korbol, Danamadji, Maro, Sarh,
and Balimba), Guera (Niergui), Logone Oriental (Larmanaye)
and Tandjile (Lai). All microplans were validated and training
modules have been completed and supervisors have been
trained. Tools have been printed and vaccine deployment in the
field is on going

Yellow fever vaccination card verification is currently ongoing
on entry and exit at the international airport.

SITUATION INTERPRETATION

Chad is among the 27 high-risk countries in Africa for YF outbreaks
and has been experiencing a YF outbreak since November 2021.
Although the YF routine immunization was introduced in 1997,
coverage has remained low, well below 50 percent over the years
according to WHO and UNICEF estimates. In addition, no mass
preventive vaccination campaign has been conducted in recent years.
Therefore, there remains a large population to be covered by mass
vaccination in order to provide herd immunity to the population.
Surveillance still needs to be further strengthened to ensure that no cases are missed.

https://apps.who.int/iris/bitstream/...=1&isAllowed=y

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WEEKLY BULLETIN ON OUTBREAKS
AND OTHER EMERGENCIES

Week 46: 7 - 13 November 2022
Data as reported by: 17:00; 13 November 2022
...

All events currently being monitored by WHO AFRO
...

Chad Yellow fever Grade 2

Date notified to WCO 13-Nov-21
Start of reporting period 01-Nov-21
End of reporting period 08-Nov-22

Total cases Cases 2 195
Cases Confirmed 30
Deaths 7
CFR 0.3%


On 13 November 2021, the Institut Pasteur in Dakar confirmed two samples from Mandoul district, Chad, positive for yellow fever. As of 2 November 2022, 2 114 suspected cases of yellow fever have been reported, including 37 probable and 30 lab-confirmed cases with seven deaths (CFR 0.3%). Fourty-two new suspected cases were reported on week 42 (ending 23 October), and 1 five IgM positive samples have been shipped to Institut Pasteur Dakar for further confirmation. A total of 23/126 districts in 11/23 provinces have been affected since the beginning of the outbreak.


https://apps.who.int/iris/bitstream/...0713112022.pdf