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Immunization schedules for infants and children in easy-to-read formats. Cover persons from birth through 6 years. Find out if your child's vaccinations are up to date.

Immunization schedules for children in easy-to-read formats. Cover persons from 7 through 18 years. Find out if your child's vaccinations are up to date.

CDC official immunization schedules for children, preteens, teens, and adults for health care professionals, parents, and the general public.

Health Alert Network (HAN). Provided by the Centers for Disease Control and Prevention (CDC).

MMWR – Morbidity and Mortality Weekly Report CDC public health news, press releases, government public health news, medical and disease news, story ideas, photos.

Contagious Diseases and Disasters

Preventing Chronic Disease (PCD) is a peer-reviewed electronic journal established by the National Center for Chronic Disease Prevention and Health Promotion. PCD provides an open exchange of information and knowledge among researchers, practitioners, policy makers, and others who strive to improve the health of the public through chronic disease prevention.

Influenza activity in the United States is high overall and is likely to continue for weeks. Influenza A (H3N2) viruses have been most common, and the majority of H3N2 viruses analyzed this season are different from the H3N2 viruses in this season's flu vaccine. This may reduce how well the vaccine protects against those H3N2 viruses.