Vitamin D and COVID-19 Infection.

Introduction: The COVID-19 pandemic has prompted the medical world to look at factors that may influence outcomes. There have been connections made between vitamin D and COVID-19, as vitamin D has previously been shown to play a role in the maintenance of immune homeostasis.

Materials And Methods: We performed a prospective cohort study on 103 patients at Wigan Wrightington and Leigh NHS Foundation Trust looking at serum vitamin D levels of patients with positive COVID-19 swabs.

Hypoechoic thyroid nodules on ultrasound 4 years after prenatal exposure to radioiodine: resolution with thyroxine therapy.

Unlabelled: We describe an infant inadvertently exposed to radioiodine at 17 weeks gestation. His mother had received 400 MBq of (131)I for hyperthyroidism (total T4 178 nmol/L, thyroid stimulating hormone (TSH) <0.1 mU/L, 4-h (131)I uptake 16%).