Washington, DC, has no unexpected health dangers and excellent medical facilities; the only real concern is that a collision with the US medical system might injure your wallet. Remember to buy health insurance before you travel. Check the Insurance section of the Lonely Planet website (www.lonelyplanet.com/travel-insurance) for more information. Recommended medical facilities:
Travelers' Clinic Offers immunizations and health advice for global travels; it’s part of George Washington University.