Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) for Use of Yellow Fever Vaccine Booster Doses
                                                MMWR recomm. rep; 64 (23), 2015                                            
                                        
                                                                                    
                                                Yellow fever (YF) is a mosquito-borne viral disease that is endemic to sub-Saharan Africa and tropical South America. YF virus causes an estimated 200,000 cases of clinical disease and 30,000 deaths annually [WHO 1992]. Clinical disease ranges from a mild, undifferentiated febrile illness to severe disea...                                            
                                        
                                                                                    
                                        
                                                                                    
                                                                             
                        