Which countries are currently affected by Zika?
The European Centre for Disease Control (ECDC) says there are 50 countries with "active local Zika virus transmission". This is where there has been a confirmed case in the last three months, and includes much of the Caribbean, Central America and South America. Thailand is included in a Foreign Office list that stretches beyond three months to nine months.
Zika does not occur in the UK. However, a total of 25 cases have been diagnosed in British travellers since 2015.