Jide Idris, NCDC director-general, gave the warning in a signed public health advisory on Wednesday.
The agency noted that the CFR of 18.2 per cent in 2025 was higher than the 16.5 per cent recorded during the same period in 2024.
Ms Ramsauer said that beyond the trial, regional efforts were underway to accelerate vaccine licensure and ensure equitable access.
According to the NCDC, Nigeria has recorded 178 deaths from 976 confirmed cases so far in 2025
Ms Msjekodunmi stressed the role of veterinary services as essential components of national and regional disease control plans.
“At 25, a Nigerian has nearly lived half their healthy life,” said Gatefield’s lead strategist.
The Nigeria Centre for Disease Control and Prevention says 172 deaths have been recorded from Lassa fever in 21 states.
NCDC noted that Ondo, Bauchi, Edo, Taraba and Ebonyi states continue to account for 90 per cent of all confirmed cases.
The revised IHR was adopted by consensus at the 77th World Health Assembly in Geneva in 2024.
They also called for stronger and more sustainable financing mechanisms.
