So, there is need for increased surveillance.”

Ebunoluwa Aderonke Adejuyigbe, a professor of paediatrics and former Dean of the Faculty of Clinical Sciences, Obafemi Awolowo University, Ile-Ife, said yellow fever is an acute viral haemorrhagic disease transmitted by aedes and hemagogues mosquitoes, which are infected by the causative agent. According to an epidemiological report released on Wednesday , it is estimated that there are just over 3 million people who have not yet been vaccinated, especially in the age group of 15 to 59 years, which was also the most affected by the epidemic of wild yellow fever occurred in 2017. Dr.Expedito Luna, an epidemiologist and professor with the Tropical Medicine Institute at the University of Sao Paulo, said on G1 that since the year 2000 it has been identified in Brazil and other places in the world that a small proportion of those who are vaccinated could develop a serious case of the yellow fever itself.
The state government of Minas Gerais, Brazil, declares a health emergency in three areas, Belo Horizonte, Itabira and Ponte Nova, over an outbreak of yellow fever.