A 6-year-old unvaccinated boy presents with a 4-day history of high fever (39.8°C), cough, coryza, and conjunctivitis. Physical examination reveals a descending maculopapular rash on the trunk and small blue-white lesions with red halos on the buccal mucosa. Vital signs show tachycardia (HR 118/min), tachypnea (RR 28/min), and oxygen saturation of 96% on room air. Lymph node enlargement is absent. Which organism is most likely responsible?
- A)Rubella virus
- B)Human herpesvirus 6
- C)Mumps virus
- D)Parainfluenza virus
- E)Measles virusGABARITO
Explicação
Measles virus is correct. The triad of cough, coryza, and conjunctivitis with Koplik spots and a descending rash is classic measles. This is a highly contagious paramyxovirus prevented by live attenuated vaccination. Ver explicação completa e trilha adaptativa →