Hepatitis B virus vaccination in the United States

Article Abstract:

Ninety percent of hepatitis B virus (HBV) infection in the US could be prevented if infants and adolescents were vaccinated. The Advisory Committee on Immunization Practices, the American Academy of Pediatrics, and the American Academy of Family Physicians recommended in 1992 that all children be immunized for HBV and immunization has increased, but many pediatricians are not following these organizations' guidelines. Adolescent immunization has been more difficult, but a Centers for Disease Control program of immunizing adolescents at school has proven workable.

Standards, Usage, Children, Vaccination of children, Vaccination, Hepatitis B vaccine, Hepatitis B vaccines

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Clusters of marijuana use in the United States

Article Abstract:

Researchers conducted a study to test for an estimate the clustering of marijuana use in the US neighborhoods. They used alternating logistic regression to quantify the clustering. The estimates ranged from 1.3 for the lifetime use of the drug to 2.0 for sharing. Exploratory analysis showed a decrease in clustering effect once adjustments were made for sex, age, race, education, family income, and others.

Research, United States, Drugs, Narcotics, Marijuana

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