Influenza
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Published:March 08 2023
2021. "Influenza", Red Book: 2021–2024 Report of the Committee on Infectious Diseases, Committee on Infectious Diseases, American Academy of Pediatrics, David W. Kimberlin, MD, FAAP, Elizabeth D. Barnett, MD, FAAP, Ruth Lynfield, MD, FAAP, Mark H. Sawyer, MD, FAAP
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Influenza illness typically begins with sudden onset of fever, often accompanied by nonproductive cough, chills or rigors, diffuse myalgia, headache, and malaise. Subsequently, respiratory tract symptoms, including sore throat, nasal congestion, rhinitis, and cough, become more prominent. Less commonly, abdominal pain, nausea, vomiting, and diarrhea are associated with influenza illness. In some children, influenza can appear as an upper respiratory tract illness or as a febrile illness with few respiratory tract symptoms. In infants, influenza can produce a nonspecific sepsis-like illness picture, and in infants and young children, influenza can cause otitis media, croup, pertussis like-illness, bronchiolitis, or pneumonia...