Round two of a nearly three-million child polio vaccination campaign was launched in mid-August, amid concerns the paralysing virus could still be spreading silently.
Cases have all been logged in north eastern Burundi in the commune of Gitobe in the Kirundo province and the Butihinda commune, in the province of Muyinga.
With just 0.25% of the country immunised, Burundi is dangerously behind the rest of the world when it comes to protection from the pandemic virus. But, a revamped strategy is pushing the pace of vaccination.