aluminum; amantadine; antacid agent; baloxavir; baloxavir marboxil; calcium; iron; laxative; magnesium; multivitamin; oseltamivir; peramivir; rimantadine; selenium; sialidase inhibitor; zanamivir; zinc; acute respiratory tract disease; antiviral activity; antiviral resistance; antiviral therapy; arthralgia; automutilation; bradycardia; bronchospasm; chemoprophylaxis; child health care; delirium; diarrhea; disease exacerbation; disease severity; drug efficacy; drug hypersensitivity; drug indication; drug safety; drug tolerance; false negative result; fever; headache; hospital patient; infection complication; influenza; influenza A (H3N2); influenza A; lactation; letter; low risk patient; mental disease; nausea; neutropenia; outpatient care; pregnant woman; Severe acute respiratory syndrome coronavirus 2; sinusitis; time to treatment; vomiting