Yellow fever – Bolivarian Republic of Venezuela

On 13 November 2019, the Venezuela International Health Regulations (IHR) National Focal Point (NFP) and the Venezuela PAHO/WHO Country Office shared information about a confirmed case of yellow fever in Bolivar State. The case-patient is a 46-year-old male resident of the municipality of Gran Sabana, Bolivar State. He was in the locality of Uriman municipality of Gran Sabana within the 19 days prior to the onset of symptoms. Symptom onset was on 14 September 2019, and included fever, chills, nausea, vomiting, epistaxis, petechiae, and diarrhoea. On 26 September 2019, he visited a public hospital in the municipality of Heres where his condition deteriorated, with moderate dehydration, bleeding from the gums, jaundice, choluria, abdominal pain, and hepatomegaly. As of 13 November 2019, the patient remains hospitalized with chronic renal failure and moderate anaemia.

On 26 September 2019, the first serum sample was sent to the National Reference Laboratory, the National Institute of Hygiene “Rafael Rangel” per its acronym in Spanish, IHRR¹ , in Caracas. On 13 November 2019, the sample tested positive for yellow fever by reverse-transcriptase polymerase chain reaction (RT-PCR), and negative for dengue on 14 November 2019 by RT-PCR. On 10 October 2019, a second serum sample was taken and sent to the IHRR; for which the results are still pending.

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