This study demonstrates the usefulness of oral fluid samples for the investigation of Ebola outbreaks, but further development in antibodies and antigen detection in oral fluid specimens is needed before these samples are used for filovirus surveillance activities in Africa.
A needlestick injury occurred during an animal experiment in the biosafety level 4 laboratory in Hamburg, Germany, in March 2009. The syringe contained Zaire ebolavirus (ZEBOV) mixed with Freund's adjuvant. Neither an approved treatment nor a postexposure prophylaxis (PEP) exists for Ebola hemorrhagic fever. Following a risk-benefit assessment, it was recommended the exposed person take an experimental vaccine that had shown PEP efficacy in ZEBOV-infected nonhuman primates (NHPs) [12]. The vaccine, which had not been used previously in humans, was a live-attenuated recombinant vesicular stomatitis virus (recVSV) expressing the glycoprotein of ZEBOV. A single dose of 5 × 10(7) plaque-forming units was injected 48 hours after the accident. The vaccinee developed fever 12 hours later and recVSV viremia was detectable by polymerase chain reaction (PCR) for 2 days. Otherwise, the person remained healthy, and ZEBOV RNA, except for the glycoprotein gene expressed in the vaccine, was never detected in serum and peripheral blood mononuclear cells during the 3-week observation period.
A 45-year-old woman presented at the outpatient department of a center for tropical diseases with fever, diarrhea, headache, myalgia, malaise, and an itchy papular rash. She had been on holiday with her family for 11 days in a mountain village in northern Cyprus. The place was infested with a lot of small, stinging flies or mosquitoes. She and her family became sick after they returned home. The physical examination was normal apart from the rash on the inside of the extremities. Significantly elevated transaminases and a slightly increased C‑reactive protein level were found in the blood examination. Considering the country of travel, the report of the "stinging flies" and the clinical presentation, sandfly fever was also taken into account as a differential diagnosis for the hepatitis. Antibodies to the sandfly fever Sicilian virus (SFSV) were detected. They showed the typical dynamics during the course of the illness and thus "pappataci fever" was diagnosed. The case report and a short review of up-to-date literature is meant encourage consideration of phlebovirus infection as a possible differential diagnosis in travelers or refugees suffering from severe febrile hepatitis and rash or aseptic viral meningitis after their stay in the Mediterranean area.
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