Publications by authors named "Nevin Krishna"

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 2015-2016 Zika virus outbreak in Brazil. Many of the children with Zika virus infection were expected to have severe developmental delay. However, administering the ASQ-3 to caregivers of these children according to standard protocol would have screened for the overall presence of delay but not the severity of delay.

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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 delay among children born with and without obvious manifestations of congenital Zika virus infection.

Methods: We evaluated 120 children conceived during the 2015-2016 Zika virus outbreak in Paraíba, Brazil.

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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 outcomes seen with congenital infections to allow for their recognition and appropriate interventions. We evaluated 120 children conceived during the 2015-2016 Zika virus outbreak in Paraíba, Brazil, who were approximately 24 months old, to assess functional outcomes.

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The first patients with laboratory-confirmed cases of Zika virus disease in American Samoa had symptom onset in January 2016 (1). In response, the American Samoa Department of Health (ASDoH) implemented mosquito control measures (1), strategies to protect pregnant women (1), syndromic surveillance based on electronic health record (EHR) reports (1), Zika virus testing of persons with one or more signs or symptoms of Zika virus disease (fever, rash, arthralgia, or conjunctivitis) (1-3), and routine testing of all asymptomatic pregnant women in accordance with CDC guidance (2,3) All collected blood and urine specimens were shipped to the Hawaii Department of Health Laboratory for Zika virus testing and to CDC for confirmatory testing. Early in the response, collection and testing of specimens from pregnant women was prioritized over the collection from symptomatic nonpregnant patients because of limited testing and shipping capacity.

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The unique characteristics of children dictate the need for school-based all-hazards response plans during natural disasters, emerging infectious diseases, and terrorism (1-3). Schools are a critical community institution serving a vulnerable population that must be accounted for in public health preparedness plans; prepared schools are adopting policies and plans for crisis preparedness, response, and recovery (2-4). The importance of having such plans in place is underscored by the development of a new Healthy People 2020 objective (PREP-5) to "increase the percentage of school districts that require schools to include specific topics in their crisis preparedness, response, and recovery plans" (5).

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Objectives: Natural and man-made disasters can result in power outages that can affect certain vulnerable populations dependent on electrically powered durable medical equipment. This study estimated the size and prevalence of that electricity-dependent population residing at home in the United States.

Methods: We used the Truven Health MarketScan 2012 database to estimate the number of employer-sponsored privately insured enrollees by geography, age group, and sex who resided at home and were dependent upon electrically powered durable medical equipment to sustain life.

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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 recent decreases in HIV infection attributed to injection drug use, 8% of new HIV infections in 2010 occurred among injecting drug users (IDUs).

Reporting Period: June-December 2009.

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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 care, suggesting many opportunities for recommended care including human papillomavirus vaccination.

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Respondent-driven sampling (RDS) has become increasingly popular for sampling hidden populations, including injecting drug users (IDU). However, RDS data are unique and require specialized analysis techniques, many of which remain underdeveloped. RDS sample size estimation requires knowing design effect (DE), which can only be calculated post hoc.

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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 meningoencephalitis or of West Nile fever was confirmed serologically. There were 24 deaths.

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