a brief history of the lenape-delaware Algonquian, the most populous and widely distributed of the North American linguistic stocks, originally comprised several hundred tribes who spoke nearly 50 related languages.
Text Size: A+ A- A â¢ Text Only. HIV, other sexually transmitted diseases (STDs) such as gonorrhea and chlamydia, and viral hepatitis are often transmitted in the same ways. These diseases are commonly spread by having unprotected sex or injecting drugs with equipment used by someone else. Learn more about these diseases, services for community members and resources for providers.
Several STDs can be effectively prevented through pre-exposure vaccination with widely available vaccines, including HAV, HBV, and HPV. Vaccines for other STDs (e.g., HIV and HSV) are under development or are undergoing clinical trials. This guidance focuses largely on integrating the use of available vaccines into STD prevention and treatment activities.