Characterising COVID-19 empirical research production in Latin America and the Caribbean: A scoping review.

Introduction: The Coronavirus Disease 2019 (COVID19) pandemic has struck Latin America and the Caribbean (LAC) particularly hard. One of the crucial areas in the international community's response relates to accelerating research and knowledge sharing. The aim of this article is to map and characterise the existing empirical research related to COVID-19 in LAC countries and contribute to identify opportunities for strengthening future research.

Impaired hypothalamic-pituitary-adrenal axis activity in patients with multiple sclerosis.

Objective: To investigate hypothalamic-pituitary-adrenal axis activity in well-defined multiple sclerosis (MS) patient subgroups.

Methods: A total of 173 patients with clinically definite MS were studied: 40 with primary progressive, 41 with secondary progressive, 58 with relapsing-remitting in remission, and 34 with relapsing-remitting during acute relapse. Sixty healthy subjects served as controls.