Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Childhood Vaccinations Hit Record Number in 2010

Childhood vaccination levels worldwide reached record levels in 2010. But 19.3 million children still did not receive some or all of the recommended immunizations, leaving them vulnerable to vaccine-preventable disease and death, according to a new study.

This immunization shortfall is most common in low-income countries and puts children at risk for vaccine-preventable disease and death, according to the report in the Nov. 11 Morbidity and Mortality Weekly Report, published by the U.S. Centers for Disease Control and Prevention.

Last year, about 109.4 million infants (85 percent of those born worldwide) received at least 3 doses of diphtheria-tetanus-pertussis (DTP) vaccine, the highest number ever reported.

Rates of other routinely recommended childhood vaccines were 90 percent for Bacille Calmette-Guerin vaccine, 86 percent for the third dose of poliovirus vaccine and 85 percent for measles-containing vaccine, the report said.

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