Total Treatment Options
                                                             
                                                            50
                                                         | 
                                                        
                                                            In Development
                                                            30
                                                         | 
                                                    
                                                    
                                                        | 
                                                            Under Clinical Trials
                                                            20
                                                         | 
                                                    
                                                    
                                                        
                                                            Treat Symptoms
                                                             
                                                            5
                                                         | 
                                                        
                                                            Anti-inflammatory
                                                             
                                                            8
                                                         | 
                                                        
                                                            Anti-viral growth
                                                             
                                                            6
                                                         | 
                                                        
                                                            Passive Immunization
                                                             
                                                            1
                                                         | 
                                                    
                                                    
                                                        
                                                            Number of Clinical Trials
                                                             
                                                            80
                                                         | 
                                                        
                                                            Observational
                                                            2 | 
                                                    
                                                    
                                                        | 
                                                            Phase I - Safety/Side-Effects, Dose
                                                            6 | 
                                                    
                                                    
                                                        | 
                                                            Phase I/II
                                                            1 | 
                                                    
                                                    
                                                        | 
                                                            Phase II - Effectiveness/safety
                                                        
                                                            16 | 
                                                    
                                                    
                                                        | 
                                                            Phase II/III
                                                            7 | 
                                                    
                                                    
                                                        | 
                                                            Phase III - Confirm effectiveness
                                                            21 | 
                                                    
                                                    
                                                        | 
                                                            Phase IV - Risk-benefit/best use
                                                            11 | 
                                                    
                                                    
                                                        | 
                                                            Completed
                                                            1 | 
                                                    
                                                    
                                                        | 
                                                            Phase Not Mentioned
                                                            15 |