Problem/Condition: At the end of 2009, an estimated 1,148,200 persons aged≥ 13 years were
living with human immunodeficiency virus (HIV) infection in the United States. Despite the …

Respondent-driven sampling (RDS) has become increasingly popular for sampling hidden
populations, including injecting drug users (IDU). However, RDS data are unique and require …

Following the large outbreak of Zika virus in the Western Hemisphere, many infants have
been born with congenital Zika virus infection. It is important to describe the functional …

Objectives: Natural and man-made disasters can result in power outages that can affect
certain vulnerable populations dependent on electrically powered durable medical equipment. …

We studied 2941 young gay, bisexual, and other men who have sex with men using National
HIV Behavioral Surveillance System data. Within the past 12 months, 88.9% used health …

In 2002, 329 cases of West Nile illness were reported in Louisiana, including 204 cases of
West Nile meningoencephalitis and 125 cases of West Nile fever. Clinical presentation of …

Sampling hard-to-reach populations can be difficult with traditional survey methods. Challenges
arise because sampling frames are typically unknown, and individuals can be wary of …

This article describes novel methods of applying the Ages and Stages Questionnaire—3rd
edition (ASQ-3) to assess and quantify developmental delay among children following the …

Background: Identifying infants with congenital infection for early intervention will likely be
challenging in future Zika virus outbreaks. We investigated indicators of risk for developmental …

Response order effects are changes in answers to close-ended questions that arise by
varying the order of the response options (Krosnick and Alwin 1987). Two types of response …