This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Pediatrics
Which vaccine to be given every year ? 
Select and explain. 
A. Hepatitis A, B. Pneumococcal, C. Influenza, D. Chicken pox
C: Influenza
Answer: C: Influenza 
Explanation: - Influenza vaccine is recommended to be given yearly to high risk groups. - HIGH RISK POPULATION INCLUDES: - Age = 6-24months - Chronic cardiac / lung diseases - Asthma/ wheeze during 2-4yrs of age / asthma requiring oral coicosteroid therapy - Blood disorders like SICKLE CELL DISEASE - Diabetes - Systemic lupus - All immunocompromised children - Aspirin therapy