Within one month of hire, all employees will be required to provide evidence of immunity or receive immunizations for vaccine-preventable illnesses for any position within the Maricopa County Department of Public Health; required immunizations include MMR (measles, mumps, rubella), Tdap (whooping cough and diphtheria), Varicella (chickenpox), and annual Influenza; some positions require a Hepatitis B vaccine and/or a Tuberculosis test. Position is typically office or administrative work and may be subjected to extreme temperatures, wetness, humidity, respiratory hazards, noise, vibration, moving mechanical parts, fumes, odors, dusts, poor ventilation, chemicals, oils, extreme temperatures, inadequate lighting, workspace restrictions, intense noises, and travel.