Rapid Antigen Screening of Students and Staff for SARS-CoV-2 in Rural School Districts, Pierce County, WA, 2020.

During fall 2020 in rural Pierce County, Washington, school districts and the county health department offered weekly rapid antigen screening to students and staff. Asymptomatic screening identified 42.5% of confirmed cases from the population.

Streptococcal Pharyngitis: Compliance With National Testing Guidelines in a Pediatric Emergency Department.

Objectives: The Infectious Diseases Society of America (IDSA) guidelines regarding group A streptococcal (GAS) pharyngitis advise against routine testing for patients younger than 3 years, patients without pharyngitis, and patients with symptoms suggesting a viral infection. Group A streptococcal testing may be overused in some clinical settings; thus, we conducted this study to evaluate compliance with the IDSA guidelines in a pediatric emergency department (ED) setting.

Methods: This retrospective cohort study describes patients younger than 18 years presenting to 2 urban pediatric EDs in 2016 who underwent rapid antigen detection testing for GAS pharyngitis.

Omphalocele induction in the chick embryo by administration of cadmium.

Background: Ventral body wall (VBW) defects occur in 1:2000 live births. We examined the association of VBW defect with somite abnormality and lordosis in the chick using in vitro and in ovo methods.

Methods: Explanted chick embryos were treated at 60 hours with 50 microL sodium acetate or 0.