1. How is syphilis transmitted? What are its clinical manifestations?2.How is gonorrhea transmitted? What are its clinical manifestations?3. What is AIDS? What is its cause? What are its clinical...

1. How is syphilis transmitted? What are its clinical manifestations?2.How is gonorrhea transmitted? What are its clinical manifestations?3. What is AIDS? What is its cause? What are its clinical manifestations?4. How are communicable diseases transmitted? How are they controlled?