Immunization in children discusses the importance of vaccination schedules and storage. Key points covered include: smallpox has been eradicated and polio last occurred in India in 2011. Vaccines should be stored at different temperatures depending on the type - with OPV and diluents in freezers and BCG, measles and DPT in refrigerators. Special vaccines like meningococcal and influenza may be given in some circumstances. Common adverse reactions include anaphylaxis, fever and swelling but contraindications are immunodeficiency and allergies. Proper storage and following schedules are emphasized to provide protection from vaccine-preventable diseases.