Flavivirus (enveloped, ⊕ single-stranded)- Transmitted by Aedes mosquito.- Sexual or vertical transmission possible.- Outbreaks more common in tropical and subtropical climates.

Presentation:- Conjunctivitis- Low-grade pyrexia- Itchy rash in 20% of cases- Can lead to congenital microcephaly or miscarriage if transmitted in utero.

- Diagnose with RT-PCR or serology.

- Supportive care, not definitive treatment.