Division A Confirmed case

At least one of the following:

• Detection of Zika virus nucleic acid in a clinical specimen;

• Detection of Zika virus antigen in a clinical specimen;

• Isolation of Zika virus from a clinical specimen;

• Detection of Zika virus specific IgM antibodies in serum sample(s) AND confirmation by neutralization test;

• Seroconversion or four-fold increase in the titre of Zika specific antibodies in paired serum samples.