Immigrant Doctors and Their Role in US Healthcare.

Background: The composition of the US healthcare workforce relative to citizenship status remains ill-defined. We sought to characterize practice patterns among US doctors relative to citizenship status.

Materials And Methods: Data were extracted from the 2008-2019 American Community Surveys, and citizenship was stratified as: citizens by birth, naturalized citizens for ≥ 10 years or < 10 years, and non-citizens.

Vitamin C supplementation for prevention and treatment of pneumonia.

Background: According to the Global Burden of Disease Study 2015, lower respiratory tract infection is the leading cause of infectious disease death, and the fifth most common cause of death overall. Vitamin C has a role in modulating resistance to infectious agents, therefore vitamin C supplementation may be important in preventing and treating pneumonia.

Objectives: To assess the impact of vitamin C supplementation to prevent and treat pneumonia in children and adults.

Intussusception in an infant as a manifestation of COVID-19.

Gastrointestinal manifestations of COVID-19 are rare and have primarily been limited to diarrhea or vomiting. Intussusception is the most common cause of bowel obstruction in infants, with up to 30% of pediatric intussusception cases having a preceding viral illness. We present the rare case of intussusception in a SARS-CoV-2 positive infant.

Applications and pitfalls of hemoglobin A1C and alternative methods of glycemic monitoring.

Introduction: Intensive glycemic control minimizes the risks of microvascular complications in diabetes. A1C is a convenient estimate of mean blood glucose, but is not the only marker available. The practical use and limitations of alternative markers and continuous glucose monitors are the focus of this review.

Vitamin C supplementation for prevention and treatment of pneumonia.

Background: According to the Global Burden of Disease Study 2015, lower respiratory tract infection is the leading cause of infectious disease death, and the fifth most common cause of death overall. Vitamin C has a role in modulating resistance to infectious agents, therefore vitamin C supplementation may be important in preventing and treating pneumonia.

Objectives: To assess the impact of vitamin C supplementation to prevent and treat pneumonia in children and adults.

Granulomatosis with polyangiitis: a 17 year experience from a tertiary care hospital in Pakistan.

Objective: Granulomatosis with Polyangiitis (GPA) is an autoimmune, multi-system, small and medium vessel vasculitis with granulomatous inflammation. Aim of this study was to assess the clinical and radiological presentations of patients with GPA amongst the Pakistani population. It is a single centre retrospective single observation study.