WEEKLY BULLETIN ON OUTBREAKS
AND OTHER EMERGENCIES
Week 27: 28 June - 04 July 2021
Data as reported by: 17:00; 04 July 2021
...
Lassa Fever Guinea
2 Cases
2 Deaths
100% CFR
EVENT DESCRIPTION
The first case of Lassa fever was notified to the Guinea health
authorities on 8 May 2021 at the Yomou prefecture hospital. This
was in a 23-year-old male resident of Yomou Prefecture who was
identified on 3 May 2021 as an Ebola virus disease suspect, but later
tested negative. On 7 May 2021, his clinical condition worsened,
prompting the healthcare team to undertake more laboratory
investigations, including; Lassa fever, yellow fever, COVID-19, and
Marburg. She suffered respiratory distress and multi-organ failure
and died on 7 May 2021. Laboratory results confirmed her positive
for Lassa fever and Covid-19 on 8 May 2021. Contact tracing and
follow-up of 88 people was done, and no secondary cases found.
The second confirmed case was detected at N’zérékoré Regional
Hospital on 17 June 2020. This was in a 65 years old woman
identified on 15 June 2021 as a suspected Ebola case. She was
a resident of Beyla prefecture and died on the same day. This
alert was notified to the district core team the same day and
laboratory samples were collected for confirmation. Laboratory
results confirmed her positive for Lassa fever and negative for
Ebola and Covid-19 on 17 June 2021 after her death. A total of
111 contacts (54 at Beyla and 57 at N’zérékoré) has been listed
for follow up. Currently, Bheeta prefecture is regarded as active,
while the prefectures of Yomou-Centre, Péla, Yomou and Bignamou
remain on alert. Since the beginning of 2021, there has been two
confirmed cases, of which both died (Case Fatality Ratio=100%).
PUBLIC HEALTH ACTIONS
Health authorities informed the political, administrative, and
municipal authorities about the confirmation of Lassa fever
outbreak in Guinea.
A rapid response team was deployed to carry out a detailed
investigation at the family of the deceased. In addition,
condolences were presented, and the family was given
information, and sensitized on Lassa fever mode of
transmission and necessary precautionary measures.
Dignified and secure burial of the body was conducted by
the Red Cross under the supervision of the provincial health
department on 18 June 2021
Listing of contacts and contacts tracking was done.
Strengthening of epidemiological surveillance; sensitization of
health workers and community members on the definitions of
cases of Lassa fever and other epidemic prone-diseases.
Sensitization of communities in Beyla district on hand washing
practices is ongoing.
SITUATION INTERPRETATION
Lassa fever, a zoonotic, acute viral illness is endemic in parts of
West Africa including Sierra Leone, Liberia, Guinea, and Nigeria.
The investigation results confirmed two cases on Lassa fever in
N’zérékoré and Beyla prefectures of Guinea. Currently, no secondary
case has been notified. Response activities towards this outbreak
are still underway. The local and national authorities need to remain
vigilant on this event in the wake of the shifting priorities to other
health emergencies, particularly COVID-19 pandemic.
https://apps.who.int/iris/bitstream/handle/10665/342386/OEW27-280604072021.pdf