A 40-year-old man presents to the clinic with complaints of low-grade fever, malaise, headache, vomiting, and diarrhea for the past two days. The patient is a healthcare worker and recently traveled to Sierra Leone to assist with an outbreak of an illness in the region. Temperature is 38.9°C (102.1°F), pulse is 115/min, respirations are 24/min, and blood pressure is 115/70 mmHg. Physical examination shows a diffuse erythematous maculopapular rash involving the face, trunk, and arms. Further evaluation confirms the diagnosis of infection with a Filovirus. Which of the following measures could have prevented the development of the disease in this individual?

Ebola virus is a deadly virus that causes severe hemorrhagic fever in people and animals. It is an enveloped, single stranded, negative sense, linear RNA virus of the Filoviridae family. Ebola spreads through contact with the blood or bodily fluids of infected people or animals. Symptoms include fever, headache, muscle pain, weakness, diarrhea, and vomiting. In severe cases, the person may bleed internally and externally. There is no specific treatment for Ebola, only supportive management.

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