The Monmouth County Health Department will conduct an influenza immunization clinic at its main office, 3435 Route 9, Freehold Township, Dec. 11 from 9:30 a.m. to 12:30 p.m. Candidates eligible for flu vaccine include: persons 50 and older, and persons age 18-50 who meet any of the following conditions: have long-term health problems, including heart disease, kidney disease, lung disease, asthma, diabetes, anemia or other blood diseases; have HIV, AIDS or other diseases that affect the immune system; are on long-term treatment with steroids; are undergoing cancer treatment with radiation or drugs; are health-care workers; or provide key community services (police, fire, emergency services). Vaccinations are free to seniors who show proof of Medicare Part B coverage. All others will be charged $10. To make an appointment call (732) 431-7456.