Words to Describe arboviruses

How arboviruses often is described ("________ arboviruses")

• distinct
• ungrouped
• certain
• most
• various
• many
• several
• encephalitogenic
• attenuated
• important
• few
• african
• borne
• north
• neurotropic
• exotic
• tropical
• australian
• transmitted
• related
• registered
• typical
• numerous
• prototypical
• different
• other
• inactivated
• encephalitic