The Nigeria Centre for Disease Control (NCDC) has declared the emergency phase of the 2020 Lassa fever outbreak over.
The centre made the disclosure in a statement posted on its website on Tuesday.
It said the declaration followed successive decline in cases below the emergency threshold, and an epidemiological review carried out by NCDC and the World Health Organisation (WHO).
The statement read in part: “On the 24th of January 2020, NCDC declared a Lassa fever outbreak and activated a national Lassa fever Emergency Operations Centre (EOC). This was in response to an increase in Lassa fever cases at the beginning of the year, exceeding the threshold for an outbreak. Since the beginning of the outbreak, 979 confirmed cases including 188 deaths have been recorded from 27 States including the Federal Capital Territory as at 19th of April 2020. The Lassa fever case count has significantly declined in the last three weeks and has now dropped below levels considered to be a national emergency.
“In the last four months, the Nigeria Centre for Disease Control (NCDC) in collaboration with the Federal Ministry of Environment and Federal Ministry of Agriculture and Rural Response have led Lassa fever response activities across the country. This was done in close collaboration with State Ministries of Health, and with support from partners coordinated by WHO. Following lessons from the previous large outbreaks, our strategic response was based on five key priorities:
1. Improved preparedness through training of health workers across the country and a nationwide communications campaign before the outbreak
2. Early deployment of One-Health Rapid Response Teams to affected States and deployment of surge staff to treatment centres
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3. Establishment of new treatment centres and strengthening of existing treatment centres
4. Distribution of medical, laboratory, treatment and infection prevention and control supplies to all states with confirmed cases
5. Implementation of Lassa fever Environmental response campaign in high burden states by the Federal Ministry of Environment.”
The NCDC noted that there was a decline in case fatality of Lassa fever, from 23% in 2019 to 19% in 2020.
Despite the end of the emergency phase of this outbreak, the centre assured it would continue to coordinate the national multisectoral Lassa fever Technical Working Group (TWG), to ensure continuous monitoring of cases, as well as strengthening of Lassa fever surveillance, diagnostic, treatment and other response activities across all levels in Nigeria.
The Director General of NCDC, Dr. Chikwe Ihekweazu, further assured that: “Despite the ongoing COVID-19 pandemic, we remain focused on our prevention, detection and response to other infectious disease outbreaks in Nigeria, including Lassa fever. While we have crossed the emergency phase, we know that we will continue to record cases. The NCDC remains committed to ensuring a continuous decline in the number of people who die from Lassa fever, by early detection and appropriate treatment”.
