A Community-Based Study of Staphylococcus aureus Nasal Colonization and Molecular Characterization Among Men Who Have Sex with Men.

Purpose: The aims of this cross-sectional study were to determine the prevalence of Staphylococcus aureus nasal colonization, evaluate community-related behavioral risk factors, and utilize staphylococcal protein A (spa) typing for epidemiological surveillance among community-based men who have sex with men from the National HIV Behavioral Surveillance System in Houston, Texas.

Methods: Descriptive methods and logistic analyses were used to determine associations with nasal colonization.

Results: The prevalence of S.

Health Care Use and HIV-Related Behaviors of Black and Latina Transgender Women in 3 US Metropolitan Areas: Results From the Transgender HIV Behavioral Survey.

Purpose: HIV prevalence estimates among transgender women in the United States are high, particularly among racial/ethnic minorities. Despite increased HIV risk and evidence of racial disparities in HIV prevalence among transgender women, few data are available to inform HIV prevention efforts.

Methods: A transgender HIV-related behavioral survey conducted in 2009 in 3 US metropolitan areas (Chicago, Houston, and Los Angeles County), used respondent-driven sampling to recruit 227 black (n = 139) and Latina (n = 88) transgender women.

The utility of geographic information systems (GIS) in rapid epidemiological assessments following weather-related disasters: methodological issues based on the Tropical Storm Allison Experience.

Flooding is the most common natural disaster worldwide, and is the leading cause of weather-related deaths in the United States. Tropical storm Allison hit landfall near Galveston, Texas on June 5, 2001, causing the most severe flood-related damage ever recorded in the Houston metropolitan area. This devastating storm dumped 37 in of rain in 24h on parts of the city, killing 22 people and causing more than $5 billion in damage.