Notification of the first isolation of Cacipacore virus in a human in the State of Rond？nia, Brazil

flavivirus is a genus of arthropod-transmitted viruses of the family flaviviridae, and in brazil, up to eleven different flavivirus have been isolated. we collected blood from farmers in the municipality of theobroma, which is located 320km from the city of porto velho, the former capital of the brazilian state of rond？nia. for viral isolation, we used newborn mouse brain, followed by rt-pcr with specific universal flavivirus primers. we obtained fragments 958bp and 800bp in length. based on blast, these sequences were 91% similar to a sequence of cacipacore virus.