No special vaccinations are necessary to enter the Netherlands, and health facilities are good. Tap water is safe to drink, and food preparation in restaurants meets high sanitation standards.
All hotels have English-speaking physicians on 24-hour call. The national (and Europe-wide) emergency telephone number is 112, which is a 24-hour service that contacts ambulance, fire and police departments. The Centraal Doktersdienst is a 24-hour doctor service (phone 592-3434). For a 24-hour dental referral, phone 0900-821-2230.
For more information, contact your country's health-advisory agency.