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Chikungunya fever, a viral illness transmitted to humans through the bites of infected mosquitoes, presents with symptoms such as high fever, severe myalgia, headache, arthralgia, rash, and vomiting. This disease predominantly manifests in Southeast Asia, Africa, and Central and South America, with a limited occurrence in Northeast Asia. To date, no such a documented case has been reported in South Korea. Herein, we present the first adolescent case of chikungunya fever in South Korea following a travel to Bali, Indonesia.

Neonatal lupus (NL) is a passively acquired autoimmune disease that occurs in infants born from asymptomatic mothers having anti-SSA or anti-SSB antibody. Infants with NL may show symptoms of systemic lupus erythematosus, including skin rash, congenital heart block, hepatic dysfunction, and hematological abnormalities. Mothers of the infants are asymptomatic or diagnosed with autoimmune diseases. When infants born to asymptomatic mothers who have never been diagnosed with the diseases show symptoms of NL, they may be mistaken for having infections. We report an NL case of a 47-day-old girl who presented to the emergency department with fever and skin rash.