Source attribution of community-acquired cases of Legionnaires' disease-results from the German LeTriWa study; Berlin, 2016-2019.

Introduction: Sources of infection of most cases of community-acquired Legionnaires' disease (CALD) are unknown.

Objective: Identification of sources of infection of CALD.

Setting: Berlin; December 2016-May 2019.

Effect of Hydrocortisone on Development of Shock Among Patients With Severe Sepsis: The HYPRESS Randomized Clinical Trial.

Importance: Adjunctive hydrocortisone therapy is suggested by the Surviving Sepsis Campaign in refractory septic shock only. The efficacy of hydrocortisone in patients with severe sepsis without shock remains controversial.

Objective: To determine whether hydrocortisone therapy in patients with severe sepsis prevents the development of septic shock.