Publications by authors named "Caleb Lyu"
Objective: To assess the frequency of hepatitis C virus (HCV) testing among a population-based cohort of perinatally exposed children and identify factors associated with testing.
Methods: Using a population-based surveillance cohort of perinatally exposed children born from 2018 to 2020 from 4 US jurisdictions (Georgia; Massachusetts; Allegheny County, Pennsylvania; and Los Angeles County, California), we describe the frequency, timing, and type of HCV testing among children and identify characteristics associated with having an HCV test result by the age of 2 to 3 years. Data were obtained from electronic laboratory reporting, vital records, and medical records.
We describe hepatitis C testing of 47 (2%) of 2,266 children diagnosed with perinatal hepatitis C who were exposed during 2018-2020 in 7 jurisdictions in the United States. Expected frequency of perinatal transmission is 5.8%, indicating only one third of the cases in this cohort were reported to public health authorities.
View Article and Find Full Text PDFBackground: It is well established that pregnant persons with SARS-CoV-2 are at an increased risk for preterm birth, however, less is known about perinatal outcomes for neonates with intrauterine exposure to SARS-CoV-2.
Methods: Characteristics of 50 SARS-CoV-2 positive neonates born to SARS-CoV-2 pregnant persons positive between May 22, 2020, and February 22, 2021, in Los Angeles County, CA, were assessed. Pattern of neonate SARS-CoV-2 test results and time to positive test was analyzed.
Article Synopsis
- * Among 6,799 live-born infants studied from December 2015 to March 2018, 4.6% had Zika-related birth defects, with a higher rate of 6.1% in those with confirmed infection.
- * Common defects included microcephaly and other brain abnormalities, with many infants showing multiple defects, highlighting the need for targeted surveillance during potential Zika outbreaks.
To provide a baseline of various driving behaviors and to identify opportunities for prevention of distracted driving during the infancy of state laws that prohibited cellphone use while operating a motor vehicle, the 2010-2011 Distracted Driving Survey collected information on multiple distracted driving behaviors from lower-income clients of three designated, multi-purpose public health centers in Los Angeles County. Descriptive and multivariable negative binomial regression analyses were performed to examine patterns of driving distractions using the Distracted Driving Survey dataset ( = 1,051). The most common distractions included talking to other passengers ( = 912, 86.
View Article and Find Full Text PDFObjectives: The objective of this study was to analyze all animal-to-human bite reports during a 3-year period from a regional surveillance database. Results helped to inform local efforts to reduce and prevent animal-to-human bites.
Methods: We reviewed all cases of animal-to-human bites occurring from 2009 through 2011 that were reported to the Los Angeles County Department of Public Health's Animal Bites Database.