Measles (Rubeola)

Measles is marked by prodromal fever, cough, coryza, conjunctivitis, and pathognomonic enanthem (ie, Koplik spots), followed by an erythematous maculopapular rash on the third to the seventh day.

Gastroenteritis

Gastroenteritis, commonly known as the stomach flu, is a prevalent and often self-limiting gastrointestinal infection that is characterized by inflammation of the stomach and intestines, leading to symptoms such as nausea, vomiting, diarrhea, and abdominal cramps.

Epiglottitis

Acute epiglottitis is a rare but potentially life-threatening condition that involves inflammation and swelling of the epiglottis, a small cartilage at the base of the tongue that covers the windpipe during swallowing to prevent food from entering the airway.

Rheumatic Fever

Rheumatic fever (RF) is a systemic illness that may occur following group A beta-hemolytic streptococcal (GABHS) pharyngitis in children.

Respiratory Syncytial Virus

Respiratory syncytial virus (RSV) causes infections of the lungs and respiratory tract. Infection with respiratory syncytial virus which manifests primarily as bronchiolitis or viral pneumonia, is the leading cause of lower respiratory tract infections (LRTIs) in infants and young children.

Acute Nasopharyngitis

Acute nasopharyngitis is caused by any number of different viruses, usually rhinoviruses, respiratory syncytial virus, adenovirus, influenza virus, or parainfluenza virus.