This year, the annual free flu vaccinations will begin on October 15. The recipients of the annual free flu vaccinations this year include adults over 50 years old, young children above 6 months old and before entering primary school, students from primary till high (vocational) school or students from year 1-3 of junior college, high risk patients with chronic illness or those with BMI≧30, patients with rare disease or major illness, pregnant women and parents of infants less than 6 months old, kindergarten nursery staff and professional staff of child care center, and institutional recipients like nursing home, respite center, long-term care, etc., relevant epidemic prevention personnel of medical and hygiene unit, livestock breeder and animal epidemic prevention personnel.