The Nigeria Centre for Disease Control and Prevention (NCDC) has reported a concerning increase in Lassa fever cases, particularly in Ondo and Edo states, with nine new confirmed infections logged during week 39 of 2024. This information comes from the latest Lassa Fever Situation Report available on the NCDC’s official website.

Lassa fever, recognized by the World Health Organisation as a significant public health threat, has become increasingly alarming due to climate change, which affects an estimated 700 million individuals globally. Symptoms of the disease can include fever, headaches, and muscle pain, while severe cases may lead to facial swelling and bleeding. Survivors often endure long-term complications, including deafness.

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According to the NCDC report, the increase in confirmed cases—up from four the previous week—has pushed the total number of infections for the year to a concerning 1,018 across 28 states. As of week 39 (September 23-29), the disease has resulted in 172 deaths, slightly elevating the Case Fatality Rate (CFR) to 16.9%, compared to 16.8% during the same period in 2023.

The report highlights that the new cases are primarily concentrated in Ondo and Edo states, which together account for 68% of all confirmed cases in 2024. Specifically, Ondo reported 28% of the cases, followed by Edo at 23%, and Bauchi at 17%. The NCDC also noted that the age group most affected by Lassa fever is between 31 and 40 years, with a balanced distribution between male and female patients.