Presence of any virus on multiplex PCR (particularly influenza, parainfluenza, and RSV) in critically ill hematology patients was associated with an increased risk for respiratory failure and ICU mortality.
This rapid review by BMJ included ADRENAL and APROCCHSS along with 40 other RCTs and made a weak recommendation to use corticosteroids (CCS) for patients with sepsis. You’ll want to pull up the free full text with some great infographics.
Adults with cough <3weeks or 3-8 weeks with post-tussive vomiting or whooping should be treated for pertussis; those with fever or without paroxysmal cough should be considered to have an alternate diagnosis. Children with <4 weeks of cough and post-tussive vomiting may have pertussis, but it was much less clear than in adults.