• Koplik spot
• measles

A 34-year-old Filipino woman presented with a 3-day history of fever, coryza, cough, sore throat, conjunctivitis and rash following a visit to the Visayas, Philippines, 2 weeks earlier. At fever onset, she noted a maculopapular rash on her face and upper chest, which subsequently spread to her trunk and arms. On the right buccal mucosa, 2 mm ulcer-like white spots (figure 1) and multiple white plaques, described as ‘grains of salt on a red background’ (figure 2 …