1. A genus of viruses transmitted by arthropods (such as mosquitoes and ticks) that cause diseases in humans and animals, including dengue fever, yellow fever, and Zika virus.
Usage: technical; medical; plural form of flavivirus

Examples

• Flaviviruses are responsible for millions of infections worldwide each year.
• Dengue and yellow fever are among the most common flaviviruses affecting human populations.
• Researchers are developing vaccines to protect against multiple flaviviruses.
• Mosquitoes are the primary vectors for transmitting many flaviviruses.
• The Zika virus belongs to the family of flaviviruses.
• Climate change may expand the geographic range of flaviviruses in tropical regions.