2. Virological Findings. 90 3. Immunity...90 C. Secondary Dengue: Dengue Hemorrhagic Fever and the Shock Syndrome 92 1. General Remarks...92 2. Clinical Course and Clinical Laboratory Findings 93 3. Virological and Serological Findings...95 4. Immunopathology of Secondary Dengue. 98 XI. Immunization...104 A. Anamnestic Immune Responses in Sequential Infections With Dengue and Other Group B Togaviruses ...104 1. Results With Members of the Dengue Subgroup 104 2. Results With Dengue and Other Flaviviruses. 107 B. Dengue Vaccines for Use in Man 108 XII. Opportunities for the Future 113...
2. Virological Findings. 90 3. Immunity...90 C. Secondary Dengue: Dengue Hemorrhagic Fever and the Shock Syndrome 92 1. General Remarks...92 2. Clinic...