Mucous membrane contact with the patient (kissing, sexual intercourse), health care worker who has done CPR, intubations or line placement without precautions. Needle-Stick or other penetrating injury. These contacts should be placed under surveillance as soon as VHF is considered to be a likely diagnosis in the index patient. Any contact that develops a temperature 38.30C or higher or any other symptoms of illness should be immediately isolated and treated as a VHF patient.

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