Skip to main content
. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Expert Rev Vaccines. 2016 Jun 20;15(12):1519–1533. doi: 10.1080/14760584.2016.1198259

Figure 4. Proportion of yellow fever cases in relation to YFV-17D vaccination history.

Figure 4

The vaccine status of 831 cases of sylvatic yellow fever from 1973 – 2008 were reported in Brazil [3]. In 45% of the cases (372/831), vaccine status of the patient was unknown. Of the remaining cases, 52% of patients (432/831) had been vaccinated >10 years earlier and 3% (27/831) of patients had been vaccinated <10 years prior to disease onset. All cases of yellow fever were virologically confirmed and the case fatality rate was 51%.