Between 16 and 29 March 2017, national public health authorities in Brazil have reported 232 additional cases of yellow fever, 72 of which were confirmed.

Between 23 March and 5 April 2017, Brazil has reported 90 additional confirmed cases and has discarded 459 suspected cases of yellow fever.

A double-blind, placebo-controlled, dose-escalation, phase 1 study was performed in 60 healthy subjects between 18 and 49 years of age. The two-dose regimen induced the development of neutralizing antibodies in high percentages of the subjects (from 88% to 100% of subjects depending on antigen content)”.

​There is an ongoing outbreak of yellow fever in Angola that started in December 2015 in the municipality of Viana, Luanda province and spread to other provinces of Angola in the past weeks.

​​An outbreak of yellow fever that started in December 2015 in the municipality of Viana, Luanda province, has been spreading to other provinces of Angola in the past weeks.

​An outbreak of yellow fever started in December 2015 in the municipality of Viana, Luanda province, and has since spread to all provinces of Angola.

​Since 6 January 2017, Brazil has been reporting an outbreak of yellow fever.

As of 2 February 2017, 826 cases (including 155 confirmed) have been reported in Brazil. This represents an increase of 315 cases (including 67 confirmed) since the last CDTR. The most-affected state remains Minas Gerais, with 740 cases (including 138 confirmed) reported.

As of 2 February 2017, 826 cases (including 155 confirmed) have been reported in Brazil. This represents an increase of 315 cases (including 67 confirmed) since the last CDTR. The most-affected state remains Minas Gerais, with 740 cases (including 138 confirmed) reported.

​As of 6 March 2017, Brazil has reported 1 337 cases of yellow fever (966 suspected and 371 confirmed), including 233 deaths (106 suspected and 127 confirmed), in seven states. The case-fatality rate is 17.4% among all cases and 34.2% among confirmed cases.