Some 23.8 million people are expected to be vaccinated during the campaign, including 10.3 million in the state of São Paulo and 10 million in the state of Rio de Janeiro.
The World Health Organization (WHO) has pledged 20 million doses of vaccines annually for the next nine years, for the eradication of yellow fever in Nigeria.
The health emergency will be in place for six months, and will allow local authorities to commission special services and buy in emergency materials.
The Nigeria Center for Disease Control reported that yellow fever has been confirmed in 12 local government areas across seven states.
As of November 7, a total of 179 suspected yellow fever cases have been reported.
Brazil’s Health Ministry announced September 6, that the last case of yellow fever was in June.
There have been no new cases of yellow fever reported in Brazil in the last month, according to Pan American Health Organization (PAHO) officials.
Researchers have discovered that the virus from the current yellow fever outbreak in Brazil has a genetic sequence that has not previously been encountered.
The Pan American Health Organization (PAHO) stated that Tocantins has reported a human case of yellow fever.
While Brazil seems to be administering vaccines and taking other steps to stop the spread, it still struggles to get the outbreak under control.