They do not have ambulances or accept any patients. Some buildings provide a health boost in the area around them. If a child or senior needs health care but is not too sick, there's a 50% chance they'll try to go to a Child- or Eldercare building (if you've built any) instead of trying to go to a hospital or clinic. The Medical Center has a helipad and accepts patient deliveries via Medical Helicopters. It is so vast and efficient that it can easily take care of all your citizens' health needs. The 'Medical Center' monument is a facility that works on finding cures for diseases and ailments. Patients may arrive on foot, in their own vehicle, or by Medical Helicopter landing in front of it. It functions as a hospital with no ambulances. The 'Medical Laboratory' is from the Content Creator Pack: High-Tech Buildings DLC. Clinics can receive patients via helicopter as well they will land on the ground in front of them. Hospitals have helipads on the roof that Medical Helicopters can land on to deliver patients. If an ambulance is not available at the moment, the citizens may try to walk to the closest clinic or hospital. 'Hospitals' and 'Medical Clinics' have ambulances that will pick up and transport sick people back to the hospital or clinic for treatment. Healthcare services will help you keep your citizens healthier and take care of the sick.