Importance Rates of thyroid hormone prescribing in the United States and the United Kingdom
have increased substantially. If some of the increase is due to lowering the thyrotropin …

Objective To assess the association between learning disability and risk of hospital admission
and death from covid-19 in England among adults and children. Design Population based …

Adults developing zoster are at increased risk of stroke for 6 months with a >3-fold increased
risk following zoster ophthalmicus. Incidence ratios of stroke were lower among those …

Objective To investigate whether risk of infection with severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) and outcomes of coronavirus disease 2019 (covid-19) differed …

Objective: To investigate risk factors for postherpetic neuralgia, the neuropathic pain that
commonly follows herpes zoster. Methods: Using primary care data from the Clinical Practice …

Context: Thyroid dysfunction is associated with adverse obstetric outcomes, but there is
limited information on pregnancy outcomes in women established on levothyroxine. Objective: …

Background Infection in pregnancy may be involved in the aetiology of pre-eclampsia. However,
a clear association between acute maternal infection and pre-eclampsia has not been …

Background Herpes zoster is common and can have serious consequences. Additionally,
emerging data suggest an increased risk of acute cardiovascular events following herpes …

Background: Treatment of periodontal disease may reduce cardiovascular risk in the longer
term, but studies have suggested a link among dental procedures, acute inflammation, and …

Purpose Primary care databases are increasingly used for researching pregnancy, eg, the
effects of maternal drug exposures. However, ascertaining pregnancies, their timing, and …