Epidemiological operations We manage epidemics of infectious diseases within the city of Helsinki and offer expert guidance and advice regarding infectious diseases. Distribution of self-care supplies Helsinki residents can receive supplies for self-care from self-care distribution points free of charge. Cancer screenings Breast cancer screening We offer all women aged 50-68 free breast cancer screening every two years. Screening for cervical cancer Every five years, we invite all women aged 25-65 living in Helsinki to cervical cancer screenings. Colorectal cancer screening The HUS Diagnostic Centre sends personal invitations to colorectal cancer screening to Helsinki residents aged 60, 62, 64, 66, 68 and 70.