A 4-year-old previously healthy girl was brought to the ED because of a 4-day history of fever, headache, sore throat, dry cough, coryza and rash of one day. She was treated with amoxicillin without improvement. She lived with her parents and an 8-month-old baby brother. The family had traveled to Italy often, where their relatives lived. Her vaccinations were not completed because of her parents’ hesitance about their side effects, particularly MMR vaccine. O/E - impaired condition, conjunctivitis, temperature 39,5ºC, heart rate 120/min, BP 90/60 mm Hg, respiratory rate 40/ min, Sore throat, bluish-gray lesion on buccal mucosa and enlarged cervical lymph nodes were seen. Pink-red confluent maculopapular rash on the face and upper part of the trunk was also seen. Her lungs were cleat to auscultation, her abdomen was soft and not tender. WBC -5600. 109/l, normal differential, CXR - normal
Do you need to take preventive measures concerning the baby brother and how?
Selecciona una de las siguientes respuestas posibles: